Let's get this math done. We have 485 and we're going to multiply it by 297. This is the same as taking 485 and adding it to itself 297 times.
Step 1: 0 + 485 = 485
Step 2: 485 + 485 = 970
Step 3: 970 + 485 = 1455
Step 4: 1455 + 485 = 1940
Step 5: 1940 + 485 = 2425
Step 6: 2425 + 485 = 2910
Step 7: 2910 + 485 = 3395
Step 8: 3395 + 485 = 3880
Step 9: 3880 + 485 = 4365
Step 10: 4365 + 485 = 4850
Step 11: 4850 + 485 = 5335
Step 12: 5335 + 485 = 5820
Step 13: 5820 + 485 = 6305
Step 14: 6305 + 485 = 6790
Step 15: 6790 + 485 = 7275
Step 16: 7275 + 485 = 7760
Step 17: 7760 + 485 = 8245
Step 18: 8245 + 485 = 8730
Step 19: 8730 + 485 = 9215
Step 20: 9215 + 485 = 9700
Step 21: 9700 + 485 = 10185
Step 22: 10185 + 485 = 10670
Step 23: 10670 + 485 = 11155
Step 24: 11155 + 485 = 11640
Step 25: 11640 + 485 = 12125
Step 26: 12125 + 485 = 12610
Step 27: 12610 + 485 = 13095
Step 28: 13095 + 485 = 13580
Step 29: 13580 + 485 = 14065
Step 30: 14065 + 485 = 14550
Step 31: 14550 + 485 = 15035
Step 32: 15035 + 485 = 15520
Step 33: 15520 + 485 = 16005
Step 34: 16005 + 485 = 16490
Step 35: 16490 + 485 = 16975
Step 36: 16975 + 485 = 17460
Step 37: 17460 + 485 = 17945
Step 38: 17945 + 485 = 18430
Step 39: 18430 + 485 = 18915
Step 40: 18915 + 485 = 19400
Step 41: 19400 + 485 = 19885
Step 42: 19885 + 485 = 20370
Step 43: 20370 + 485 = 20855
Step 44: 20855 + 485 = 21340
Step 45: 21340 + 485 = 21825
Step 46: 21825 + 485 = 22310
Step 47: 22310 + 485 = 22795
Step 48: 22795 + 485 = 23280
Step 49: 23280 + 485 = 23765
Step 50: 23765 + 485 = 24250
Step 51: 24250 + 485 = 24735
Step 52: 24735 + 485 = 25220
Step 53: 25220 + 485 = 25705
Step 54: 25705 + 485 = 26190
Step 55: 26190 + 485 = 26675
Step 56: 26675 + 485 = 27160
Step 57: 27160 + 485 = 27645
Step 58: 27645 + 485 = 28130
Step 59: 28130 + 485 = 28615
Step 60: 28615 + 485 = 29100
Step 61: 29100 + 485 = 29585
Step 62: 29585 + 485 = 30070
Step 63: 30070 + 485 = 30555
Step 64: 30555 + 485 = 31040
Step 65: 31040 + 485 = 31525
Step 66: 31525 + 485 = 32010
Step 67: 32010 + 485 = 32495
Step 68: 32495 + 485 = 32980
Step 69: 32980 + 485 = 33465
Step 70: 33465 + 485 = 33950
Step 71: 33950 + 485 = 34435
Step 72: 34435 + 485 = 34920
Step 73: 34920 + 485 = 35405
Step 74: 35405 + 485 = 35890
Step 75: 35890 + 485 = 36375
Step 76: 36375 + 485 = 36860
Step 77: 36860 + 485 = 37345
Step 78: 37345 + 485 = 37830
Step 79: 37830 + 485 = 38315
Step 80: 38315 + 485 = 38800
Step 81: 38800 + 485 = 39285
Step 82: 39285 + 485 = 39770
Step 83: 39770 + 485 = 40255
Step 84: 40255 + 485 = 40740
Step 85: 40740 + 485 = 41225
Step 86: 41225 + 485 = 41710
Step 87: 41710 + 485 = 42195
Step 88: 42195 + 485 = 42680
Step 89: 42680 + 485 = 43165
Step 90: 43165 + 485 = 43650
Step 91: 43650 + 485 = 44135
Step 92: 44135 + 485 = 44620
Step 93: 44620 + 485 = 45105
Step 94: 45105 + 485 = 45590
Step 95: 45590 + 485 = 46075
Step 96: 46075 + 485 = 46560
Step 97: 46560 + 485 = 47045
Step 98: 47045 + 485 = 47530
Step 99: 47530 + 485 = 48015
Step 100: 48015 + 485 = 48500
Step 101: 48500 + 485 = 48985
Step 102: 48985 + 485 = 49470
Step 103: 49470 + 485 = 49955
Step 104: 49955 + 485 = 50440
Step 105: 50440 + 485 = 50925
Step 106: 50925 + 485 = 51410
Step 107: 51410 + 485 = 51895
Step 108: 51895 + 485 = 52380
Step 109: 52380 + 485 = 52865
Step 110: 52865 + 485 = 53350
Step 111: 53350 + 485 = 53835
Step 112: 53835 + 485 = 54320
Step 113: 54320 + 485 = 54805
Step 114: 54805 + 485 = 55290
Step 115: 55290 + 485 = 55775
Step 116: 55775 + 485 = 56260
Step 117: 56260 + 485 = 56745
Step 118: 56745 + 485 = 57230
Step 119: 57230 + 485 = 57715
Step 120: 57715 + 485 = 58200
Step 121: 58200 + 485 = 58685
Step 122: 58685 + 485 = 59170
Step 123: 59170 + 485 = 59655
Step 124: 59655 + 485 = 60140
Step 125: 60140 + 485 = 60625
Step 126: 60625 + 485 = 61110
Step 127: 61110 + 485 = 61595
Step 128: 61595 + 485 = 62080
Step 129: 62080 + 485 = 62565
Step 130: 62565 + 485 = 63050
Step 131: 63050 + 485 = 63535
Step 132: 63535 + 485 = 64020
Step 133: 64020 + 485 = 64505
Step 134: 64505 + 485 = 64990
Step 135: 64990 + 485 = 65475
Step 136: 65475 + 485 = 65960
Step 137: 65960 + 485 = 66445
Step 138: 66445 + 485 = 66930
Step 139: 66930 + 485 = 67415
Step 140: 67415 + 485 = 67900
Step 141: 67900 + 485 = 68385
Step 142: 68385 + 485 = 68870
Step 143: 68870 + 485 = 69355
Step 144: 69355 + 485 = 69840
Step 145: 69840 + 485 = 70325
Step 146: 70325 + 485 = 70810
Step 147: 70810 + 485 = 71295
Step 148: 71295 + 485 = 71780
Step 149: 71780 + 485 = 72265
Step 150: 72265 + 485 = 72750
Step 151: 72750 + 485 = 73235
Step 152: 73235 + 485 = 73720
Step 153: 73720 + 485 = 74205
Step 154: 74205 + 485 = 74690
Step 155: 74690 + 485 = 75175
Step 156: 75175 + 485 = 75660
Step 157: 75660 + 485 = 76145
Step 158: 76145 + 485 = 76630
Step 159: 76630 + 485 = 77115
Step 160: 77115 + 485 = 77600
Step 161: 77600 + 485 = 78085
Step 162: 78085 + 485 = 78570
Step 163: 78570 + 485 = 79055
Step 164: 79055 + 485 = 79540
Step 165: 79540 + 485 = 80025
Step 166: 80025 + 485 = 80510
Step 167: 80510 + 485 = 80995
Step 168: 80995 + 485 = 81480
Step 169: 81480 + 485 = 81965
Step 170: 81965 + 485 = 82450
Step 171: 82450 + 485 = 82935
Step 172: 82935 + 485 = 83420
Step 173: 83420 + 485 = 83905
Step 174: 83905 + 485 = 84390
Step 175: 84390 + 485 = 84875
Step 176: 84875 + 485 = 85360
Step 177: 85360 + 485 = 85845
Step 178: 85845 + 485 = 86330
Step 179: 86330 + 485 = 86815
Step 180: 86815 + 485 = 87300
Step 181: 87300 + 485 = 87785
Step 182: 87785 + 485 = 88270
Step 183: 88270 + 485 = 88755
Step 184: 88755 + 485 = 89240
Step 185: 89240 + 485 = 89725
Step 186: 89725 + 485 = 90210
Step 187: 90210 + 485 = 90695
Step 188: 90695 + 485 = 91180
Step 189: 91180 + 485 = 91665
Step 190: 91665 + 485 = 92150
Step 191: 92150 + 485 = 92635
Step 192: 92635 + 485 = 93120
Step 193: 93120 + 485 = 93605
Step 194: 93605 + 485 = 94090
Step 195: 94090 + 485 = 94575
Step 196: 94575 + 485 = 95060
Step 197: 95060 + 485 = 95545
Step 198: 95545 + 485 = 96030
Step 199: 96030 + 485 = 96515
Step 200: 96515 + 485 = 97000
Step 201: 97000 + 485 = 97485
Step 202: 97485 + 485 = 97970
Step 203: 97970 + 485 = 98455
Step 204: 98455 + 485 = 98940
Step 205: 98940 + 485 = 99425
Step 206: 99425 + 485 = 99910
Step 207: 99910 + 485 = 100395
Step 208: 100395 + 485 = 100880
Step 209: 100880 + 485 = 101365
Step 210: 101365 + 485 = 101850
Step 211: 101850 + 485 = 102335
Step 212: 102335 + 485 = 102820
Step 213: 102820 + 485 = 103305
Step 214: 103305 + 485 = 103790
Step 215: 103790 + 485 = 104275
Step 216: 104275 + 485 = 104760
Step 217: 104760 + 485 = 105245
Step 218: 105245 + 485 = 105730
Step 219: 105730 + 485 = 106215
Step 220: 106215 + 485 = 106700
Step 221: 106700 + 485 = 107185
Step 222: 107185 + 485 = 107670
Step 223: 107670 + 485 = 108155
Step 224: 108155 + 485 = 108640
Step 225: 108640 + 485 = 109125
Step 226: 109125 + 485 = 109610
Step 227: 109610 + 485 = 110095
Step 228: 110095 + 485 = 110580
Step 229: 110580 + 485 = 111065
Step 230: 111065 + 485 = 111550
Step 231: 111550 + 485 = 112035
Step 232: 112035 + 485 = 112520
Step 233: 112520 + 485 = 113005
Step 234: 113005 + 485 = 113490
Step 235: 113490 + 485 = 113975
Step 236: 113975 + 485 = 114460
Step 237: 114460 + 485 = 114945
Step 238: 114945 + 485 = 115430
Step 239: 115430 + 485 = 115915
Step 240: 115915 + 485 = 116400
Step 241: 116400 + 485 = 116885
Step 242: 116885 + 485 = 117370
Step 243: 117370 + 485 = 117855
Step 244: 117855 + 485 = 118340
Step 245: 118340 + 485 = 118825
Step 246: 118825 + 485 = 119310
Step 247: 119310 + 485 = 119795
Step 248: 119795 + 485 = 120280
Step 249: 120280 + 485 = 120765
Step 250: 120765 + 485 = 121250
Step 251: 121250 + 485 = 121735
Step 252: 121735 + 485 = 122220
Step 253: 122220 + 485 = 122705
Step 254: 122705 + 485 = 123190
Step 255: 123190 + 485 = 123675
Step 256: 123675 + 485 = 124160
Step 257: 124160 + 485 = 124645
Step 258: 124645 + 485 = 125130
Step 259: 125130 + 485 = 125615
Step 260: 125615 + 485 = 126100
Step 261: 126100 + 485 = 126585
Step 262: 126585 + 485 = 127070
Step 263: 127070 + 485 = 127555
Step 264: 127555 + 485 = 128040
Step 265: 128040 + 485 = 128525
Step 266: 128525 + 485 = 129010
Step 267: 129010 + 485 = 129495
Step 268: 129495 + 485 = 129980
Step 269: 129980 + 485 = 130465
Step 270: 130465 + 485 = 130950
Step 271: 130950 + 485 = 131435
Step 272: 131435 + 485 = 131920
Step 273: 131920 + 485 = 132405
Step 274: 132405 + 485 = 132890
Step 275: 132890 + 485 = 133375
Step 276: 133375 + 485 = 133860
Step 277: 133860 + 485 = 134345
Step 278: 134345 + 485 = 134830
Step 279: 134830 + 485 = 135315
Step 280: 135315 + 485 = 135800
Step 281: 135800 + 485 = 136285
Step 282: 136285 + 485 = 136770
Step 283: 136770 + 485 = 137255
Step 284: 137255 + 485 = 137740
Step 285: 137740 + 485 = 138225
Step 286: 138225 + 485 = 138710
Step 287: 138710 + 485 = 139195
Step 288: 139195 + 485 = 139680
Step 289: 139680 + 485 = 140165
Step 290: 140165 + 485 = 140650
Step 291: 140650 + 485 = 141135
Step 292: 141135 + 485 = 141620
Step 293: 141620 + 485 = 142105
Step 294: 142105 + 485 = 142590
Step 295: 142590 + 485 = 143075
Step 296: 143075 + 485 = 143560
Step 297: 143560 + 485 = 144045

So, 485*297 = 144045