Alright, let's solve this math problem step by step. First, we have the number 757. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 407. So, we're going to take the number 757 and add it to itself 407 times.
Step 1: 0 + 757 = 757
Step 2: 757 + 757 = 1514
Step 3: 1514 + 757 = 2271
Step 4: 2271 + 757 = 3028
Step 5: 3028 + 757 = 3785
Step 6: 3785 + 757 = 4542
Step 7: 4542 + 757 = 5299
Step 8: 5299 + 757 = 6056
Step 9: 6056 + 757 = 6813
Step 10: 6813 + 757 = 7570
Step 11: 7570 + 757 = 8327
Step 12: 8327 + 757 = 9084
Step 13: 9084 + 757 = 9841
Step 14: 9841 + 757 = 10598
Step 15: 10598 + 757 = 11355
Step 16: 11355 + 757 = 12112
Step 17: 12112 + 757 = 12869
Step 18: 12869 + 757 = 13626
Step 19: 13626 + 757 = 14383
Step 20: 14383 + 757 = 15140
Step 21: 15140 + 757 = 15897
Step 22: 15897 + 757 = 16654
Step 23: 16654 + 757 = 17411
Step 24: 17411 + 757 = 18168
Step 25: 18168 + 757 = 18925
Step 26: 18925 + 757 = 19682
Step 27: 19682 + 757 = 20439
Step 28: 20439 + 757 = 21196
Step 29: 21196 + 757 = 21953
Step 30: 21953 + 757 = 22710
Step 31: 22710 + 757 = 23467
Step 32: 23467 + 757 = 24224
Step 33: 24224 + 757 = 24981
Step 34: 24981 + 757 = 25738
Step 35: 25738 + 757 = 26495
Step 36: 26495 + 757 = 27252
Step 37: 27252 + 757 = 28009
Step 38: 28009 + 757 = 28766
Step 39: 28766 + 757 = 29523
Step 40: 29523 + 757 = 30280
Step 41: 30280 + 757 = 31037
Step 42: 31037 + 757 = 31794
Step 43: 31794 + 757 = 32551
Step 44: 32551 + 757 = 33308
Step 45: 33308 + 757 = 34065
Step 46: 34065 + 757 = 34822
Step 47: 34822 + 757 = 35579
Step 48: 35579 + 757 = 36336
Step 49: 36336 + 757 = 37093
Step 50: 37093 + 757 = 37850
Step 51: 37850 + 757 = 38607
Step 52: 38607 + 757 = 39364
Step 53: 39364 + 757 = 40121
Step 54: 40121 + 757 = 40878
Step 55: 40878 + 757 = 41635
Step 56: 41635 + 757 = 42392
Step 57: 42392 + 757 = 43149
Step 58: 43149 + 757 = 43906
Step 59: 43906 + 757 = 44663
Step 60: 44663 + 757 = 45420
Step 61: 45420 + 757 = 46177
Step 62: 46177 + 757 = 46934
Step 63: 46934 + 757 = 47691
Step 64: 47691 + 757 = 48448
Step 65: 48448 + 757 = 49205
Step 66: 49205 + 757 = 49962
Step 67: 49962 + 757 = 50719
Step 68: 50719 + 757 = 51476
Step 69: 51476 + 757 = 52233
Step 70: 52233 + 757 = 52990
Step 71: 52990 + 757 = 53747
Step 72: 53747 + 757 = 54504
Step 73: 54504 + 757 = 55261
Step 74: 55261 + 757 = 56018
Step 75: 56018 + 757 = 56775
Step 76: 56775 + 757 = 57532
Step 77: 57532 + 757 = 58289
Step 78: 58289 + 757 = 59046
Step 79: 59046 + 757 = 59803
Step 80: 59803 + 757 = 60560
Step 81: 60560 + 757 = 61317
Step 82: 61317 + 757 = 62074
Step 83: 62074 + 757 = 62831
Step 84: 62831 + 757 = 63588
Step 85: 63588 + 757 = 64345
Step 86: 64345 + 757 = 65102
Step 87: 65102 + 757 = 65859
Step 88: 65859 + 757 = 66616
Step 89: 66616 + 757 = 67373
Step 90: 67373 + 757 = 68130
Step 91: 68130 + 757 = 68887
Step 92: 68887 + 757 = 69644
Step 93: 69644 + 757 = 70401
Step 94: 70401 + 757 = 71158
Step 95: 71158 + 757 = 71915
Step 96: 71915 + 757 = 72672
Step 97: 72672 + 757 = 73429
Step 98: 73429 + 757 = 74186
Step 99: 74186 + 757 = 74943
Step 100: 74943 + 757 = 75700
Step 101: 75700 + 757 = 76457
Step 102: 76457 + 757 = 77214
Step 103: 77214 + 757 = 77971
Step 104: 77971 + 757 = 78728
Step 105: 78728 + 757 = 79485
Step 106: 79485 + 757 = 80242
Step 107: 80242 + 757 = 80999
Step 108: 80999 + 757 = 81756
Step 109: 81756 + 757 = 82513
Step 110: 82513 + 757 = 83270
Step 111: 83270 + 757 = 84027
Step 112: 84027 + 757 = 84784
Step 113: 84784 + 757 = 85541
Step 114: 85541 + 757 = 86298
Step 115: 86298 + 757 = 87055
Step 116: 87055 + 757 = 87812
Step 117: 87812 + 757 = 88569
Step 118: 88569 + 757 = 89326
Step 119: 89326 + 757 = 90083
Step 120: 90083 + 757 = 90840
Step 121: 90840 + 757 = 91597
Step 122: 91597 + 757 = 92354
Step 123: 92354 + 757 = 93111
Step 124: 93111 + 757 = 93868
Step 125: 93868 + 757 = 94625
Step 126: 94625 + 757 = 95382
Step 127: 95382 + 757 = 96139
Step 128: 96139 + 757 = 96896
Step 129: 96896 + 757 = 97653
Step 130: 97653 + 757 = 98410
Step 131: 98410 + 757 = 99167
Step 132: 99167 + 757 = 99924
Step 133: 99924 + 757 = 100681
Step 134: 100681 + 757 = 101438
Step 135: 101438 + 757 = 102195
Step 136: 102195 + 757 = 102952
Step 137: 102952 + 757 = 103709
Step 138: 103709 + 757 = 104466
Step 139: 104466 + 757 = 105223
Step 140: 105223 + 757 = 105980
Step 141: 105980 + 757 = 106737
Step 142: 106737 + 757 = 107494
Step 143: 107494 + 757 = 108251
Step 144: 108251 + 757 = 109008
Step 145: 109008 + 757 = 109765
Step 146: 109765 + 757 = 110522
Step 147: 110522 + 757 = 111279
Step 148: 111279 + 757 = 112036
Step 149: 112036 + 757 = 112793
Step 150: 112793 + 757 = 113550
Step 151: 113550 + 757 = 114307
Step 152: 114307 + 757 = 115064
Step 153: 115064 + 757 = 115821
Step 154: 115821 + 757 = 116578
Step 155: 116578 + 757 = 117335
Step 156: 117335 + 757 = 118092
Step 157: 118092 + 757 = 118849
Step 158: 118849 + 757 = 119606
Step 159: 119606 + 757 = 120363
Step 160: 120363 + 757 = 121120
Step 161: 121120 + 757 = 121877
Step 162: 121877 + 757 = 122634
Step 163: 122634 + 757 = 123391
Step 164: 123391 + 757 = 124148
Step 165: 124148 + 757 = 124905
Step 166: 124905 + 757 = 125662
Step 167: 125662 + 757 = 126419
Step 168: 126419 + 757 = 127176
Step 169: 127176 + 757 = 127933
Step 170: 127933 + 757 = 128690
Step 171: 128690 + 757 = 129447
Step 172: 129447 + 757 = 130204
Step 173: 130204 + 757 = 130961
Step 174: 130961 + 757 = 131718
Step 175: 131718 + 757 = 132475
Step 176: 132475 + 757 = 133232
Step 177: 133232 + 757 = 133989
Step 178: 133989 + 757 = 134746
Step 179: 134746 + 757 = 135503
Step 180: 135503 + 757 = 136260
Step 181: 136260 + 757 = 137017
Step 182: 137017 + 757 = 137774
Step 183: 137774 + 757 = 138531
Step 184: 138531 + 757 = 139288
Step 185: 139288 + 757 = 140045
Step 186: 140045 + 757 = 140802
Step 187: 140802 + 757 = 141559
Step 188: 141559 + 757 = 142316
Step 189: 142316 + 757 = 143073
Step 190: 143073 + 757 = 143830
Step 191: 143830 + 757 = 144587
Step 192: 144587 + 757 = 145344
Step 193: 145344 + 757 = 146101
Step 194: 146101 + 757 = 146858
Step 195: 146858 + 757 = 147615
Step 196: 147615 + 757 = 148372
Step 197: 148372 + 757 = 149129
Step 198: 149129 + 757 = 149886
Step 199: 149886 + 757 = 150643
Step 200: 150643 + 757 = 151400
Step 201: 151400 + 757 = 152157
Step 202: 152157 + 757 = 152914
Step 203: 152914 + 757 = 153671
Step 204: 153671 + 757 = 154428
Step 205: 154428 + 757 = 155185
Step 206: 155185 + 757 = 155942
Step 207: 155942 + 757 = 156699
Step 208: 156699 + 757 = 157456
Step 209: 157456 + 757 = 158213
Step 210: 158213 + 757 = 158970
Step 211: 158970 + 757 = 159727
Step 212: 159727 + 757 = 160484
Step 213: 160484 + 757 = 161241
Step 214: 161241 + 757 = 161998
Step 215: 161998 + 757 = 162755
Step 216: 162755 + 757 = 163512
Step 217: 163512 + 757 = 164269
Step 218: 164269 + 757 = 165026
Step 219: 165026 + 757 = 165783
Step 220: 165783 + 757 = 166540
Step 221: 166540 + 757 = 167297
Step 222: 167297 + 757 = 168054
Step 223: 168054 + 757 = 168811
Step 224: 168811 + 757 = 169568
Step 225: 169568 + 757 = 170325
Step 226: 170325 + 757 = 171082
Step 227: 171082 + 757 = 171839
Step 228: 171839 + 757 = 172596
Step 229: 172596 + 757 = 173353
Step 230: 173353 + 757 = 174110
Step 231: 174110 + 757 = 174867
Step 232: 174867 + 757 = 175624
Step 233: 175624 + 757 = 176381
Step 234: 176381 + 757 = 177138
Step 235: 177138 + 757 = 177895
Step 236: 177895 + 757 = 178652
Step 237: 178652 + 757 = 179409
Step 238: 179409 + 757 = 180166
Step 239: 180166 + 757 = 180923
Step 240: 180923 + 757 = 181680
Step 241: 181680 + 757 = 182437
Step 242: 182437 + 757 = 183194
Step 243: 183194 + 757 = 183951
Step 244: 183951 + 757 = 184708
Step 245: 184708 + 757 = 185465
Step 246: 185465 + 757 = 186222
Step 247: 186222 + 757 = 186979
Step 248: 186979 + 757 = 187736
Step 249: 187736 + 757 = 188493
Step 250: 188493 + 757 = 189250
Step 251: 189250 + 757 = 190007
Step 252: 190007 + 757 = 190764
Step 253: 190764 + 757 = 191521
Step 254: 191521 + 757 = 192278
Step 255: 192278 + 757 = 193035
Step 256: 193035 + 757 = 193792
Step 257: 193792 + 757 = 194549
Step 258: 194549 + 757 = 195306
Step 259: 195306 + 757 = 196063
Step 260: 196063 + 757 = 196820
Step 261: 196820 + 757 = 197577
Step 262: 197577 + 757 = 198334
Step 263: 198334 + 757 = 199091
Step 264: 199091 + 757 = 199848
Step 265: 199848 + 757 = 200605
Step 266: 200605 + 757 = 201362
Step 267: 201362 + 757 = 202119
Step 268: 202119 + 757 = 202876
Step 269: 202876 + 757 = 203633
Step 270: 203633 + 757 = 204390
Step 271: 204390 + 757 = 205147
Step 272: 205147 + 757 = 205904
Step 273: 205904 + 757 = 206661
Step 274: 206661 + 757 = 207418
Step 275: 207418 + 757 = 208175
Step 276: 208175 + 757 = 208932
Step 277: 208932 + 757 = 209689
Step 278: 209689 + 757 = 210446
Step 279: 210446 + 757 = 211203
Step 280: 211203 + 757 = 211960
Step 281: 211960 + 757 = 212717
Step 282: 212717 + 757 = 213474
Step 283: 213474 + 757 = 214231
Step 284: 214231 + 757 = 214988
Step 285: 214988 + 757 = 215745
Step 286: 215745 + 757 = 216502
Step 287: 216502 + 757 = 217259
Step 288: 217259 + 757 = 218016
Step 289: 218016 + 757 = 218773
Step 290: 218773 + 757 = 219530
Step 291: 219530 + 757 = 220287
Step 292: 220287 + 757 = 221044
Step 293: 221044 + 757 = 221801
Step 294: 221801 + 757 = 222558
Step 295: 222558 + 757 = 223315
Step 296: 223315 + 757 = 224072
Step 297: 224072 + 757 = 224829
Step 298: 224829 + 757 = 225586
Step 299: 225586 + 757 = 226343
Step 300: 226343 + 757 = 227100
Step 301: 227100 + 757 = 227857
Step 302: 227857 + 757 = 228614
Step 303: 228614 + 757 = 229371
Step 304: 229371 + 757 = 230128
Step 305: 230128 + 757 = 230885
Step 306: 230885 + 757 = 231642
Step 307: 231642 + 757 = 232399
Step 308: 232399 + 757 = 233156
Step 309: 233156 + 757 = 233913
Step 310: 233913 + 757 = 234670
Step 311: 234670 + 757 = 235427
Step 312: 235427 + 757 = 236184
Step 313: 236184 + 757 = 236941
Step 314: 236941 + 757 = 237698
Step 315: 237698 + 757 = 238455
Step 316: 238455 + 757 = 239212
Step 317: 239212 + 757 = 239969
Step 318: 239969 + 757 = 240726
Step 319: 240726 + 757 = 241483
Step 320: 241483 + 757 = 242240
Step 321: 242240 + 757 = 242997
Step 322: 242997 + 757 = 243754
Step 323: 243754 + 757 = 244511
Step 324: 244511 + 757 = 245268
Step 325: 245268 + 757 = 246025
Step 326: 246025 + 757 = 246782
Step 327: 246782 + 757 = 247539
Step 328: 247539 + 757 = 248296
Step 329: 248296 + 757 = 249053
Step 330: 249053 + 757 = 249810
Step 331: 249810 + 757 = 250567
Step 332: 250567 + 757 = 251324
Step 333: 251324 + 757 = 252081
Step 334: 252081 + 757 = 252838
Step 335: 252838 + 757 = 253595
Step 336: 253595 + 757 = 254352
Step 337: 254352 + 757 = 255109
Step 338: 255109 + 757 = 255866
Step 339: 255866 + 757 = 256623
Step 340: 256623 + 757 = 257380
Step 341: 257380 + 757 = 258137
Step 342: 258137 + 757 = 258894
Step 343: 258894 + 757 = 259651
Step 344: 259651 + 757 = 260408
Step 345: 260408 + 757 = 261165
Step 346: 261165 + 757 = 261922
Step 347: 261922 + 757 = 262679
Step 348: 262679 + 757 = 263436
Step 349: 263436 + 757 = 264193
Step 350: 264193 + 757 = 264950
Step 351: 264950 + 757 = 265707
Step 352: 265707 + 757 = 266464
Step 353: 266464 + 757 = 267221
Step 354: 267221 + 757 = 267978
Step 355: 267978 + 757 = 268735
Step 356: 268735 + 757 = 269492
Step 357: 269492 + 757 = 270249
Step 358: 270249 + 757 = 271006
Step 359: 271006 + 757 = 271763
Step 360: 271763 + 757 = 272520
Step 361: 272520 + 757 = 273277
Step 362: 273277 + 757 = 274034
Step 363: 274034 + 757 = 274791
Step 364: 274791 + 757 = 275548
Step 365: 275548 + 757 = 276305
Step 366: 276305 + 757 = 277062
Step 367: 277062 + 757 = 277819
Step 368: 277819 + 757 = 278576
Step 369: 278576 + 757 = 279333
Step 370: 279333 + 757 = 280090
Step 371: 280090 + 757 = 280847
Step 372: 280847 + 757 = 281604
Step 373: 281604 + 757 = 282361
Step 374: 282361 + 757 = 283118
Step 375: 283118 + 757 = 283875
Step 376: 283875 + 757 = 284632
Step 377: 284632 + 757 = 285389
Step 378: 285389 + 757 = 286146
Step 379: 286146 + 757 = 286903
Step 380: 286903 + 757 = 287660
Step 381: 287660 + 757 = 288417
Step 382: 288417 + 757 = 289174
Step 383: 289174 + 757 = 289931
Step 384: 289931 + 757 = 290688
Step 385: 290688 + 757 = 291445
Step 386: 291445 + 757 = 292202
Step 387: 292202 + 757 = 292959
Step 388: 292959 + 757 = 293716
Step 389: 293716 + 757 = 294473
Step 390: 294473 + 757 = 295230
Step 391: 295230 + 757 = 295987
Step 392: 295987 + 757 = 296744
Step 393: 296744 + 757 = 297501
Step 394: 297501 + 757 = 298258
Step 395: 298258 + 757 = 299015
Step 396: 299015 + 757 = 299772
Step 397: 299772 + 757 = 300529
Step 398: 300529 + 757 = 301286
Step 399: 301286 + 757 = 302043
Step 400: 302043 + 757 = 302800
Step 401: 302800 + 757 = 303557
Step 402: 303557 + 757 = 304314
Step 403: 304314 + 757 = 305071
Step 404: 305071 + 757 = 305828
Step 405: 305828 + 757 = 306585
Step 406: 306585 + 757 = 307342
Step 407: 307342 + 757 = 308099

So, 757*407 = 308099