Alright, let's solve this math problem step by step. First, we have the number 634. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 263. So, we're going to take the number 634 and add it to itself 263 times.
Step 1: 0 + 634 = 634
Step 2: 634 + 634 = 1268
Step 3: 1268 + 634 = 1902
Step 4: 1902 + 634 = 2536
Step 5: 2536 + 634 = 3170
Step 6: 3170 + 634 = 3804
Step 7: 3804 + 634 = 4438
Step 8: 4438 + 634 = 5072
Step 9: 5072 + 634 = 5706
Step 10: 5706 + 634 = 6340
Step 11: 6340 + 634 = 6974
Step 12: 6974 + 634 = 7608
Step 13: 7608 + 634 = 8242
Step 14: 8242 + 634 = 8876
Step 15: 8876 + 634 = 9510
Step 16: 9510 + 634 = 10144
Step 17: 10144 + 634 = 10778
Step 18: 10778 + 634 = 11412
Step 19: 11412 + 634 = 12046
Step 20: 12046 + 634 = 12680
Step 21: 12680 + 634 = 13314
Step 22: 13314 + 634 = 13948
Step 23: 13948 + 634 = 14582
Step 24: 14582 + 634 = 15216
Step 25: 15216 + 634 = 15850
Step 26: 15850 + 634 = 16484
Step 27: 16484 + 634 = 17118
Step 28: 17118 + 634 = 17752
Step 29: 17752 + 634 = 18386
Step 30: 18386 + 634 = 19020
Step 31: 19020 + 634 = 19654
Step 32: 19654 + 634 = 20288
Step 33: 20288 + 634 = 20922
Step 34: 20922 + 634 = 21556
Step 35: 21556 + 634 = 22190
Step 36: 22190 + 634 = 22824
Step 37: 22824 + 634 = 23458
Step 38: 23458 + 634 = 24092
Step 39: 24092 + 634 = 24726
Step 40: 24726 + 634 = 25360
Step 41: 25360 + 634 = 25994
Step 42: 25994 + 634 = 26628
Step 43: 26628 + 634 = 27262
Step 44: 27262 + 634 = 27896
Step 45: 27896 + 634 = 28530
Step 46: 28530 + 634 = 29164
Step 47: 29164 + 634 = 29798
Step 48: 29798 + 634 = 30432
Step 49: 30432 + 634 = 31066
Step 50: 31066 + 634 = 31700
Step 51: 31700 + 634 = 32334
Step 52: 32334 + 634 = 32968
Step 53: 32968 + 634 = 33602
Step 54: 33602 + 634 = 34236
Step 55: 34236 + 634 = 34870
Step 56: 34870 + 634 = 35504
Step 57: 35504 + 634 = 36138
Step 58: 36138 + 634 = 36772
Step 59: 36772 + 634 = 37406
Step 60: 37406 + 634 = 38040
Step 61: 38040 + 634 = 38674
Step 62: 38674 + 634 = 39308
Step 63: 39308 + 634 = 39942
Step 64: 39942 + 634 = 40576
Step 65: 40576 + 634 = 41210
Step 66: 41210 + 634 = 41844
Step 67: 41844 + 634 = 42478
Step 68: 42478 + 634 = 43112
Step 69: 43112 + 634 = 43746
Step 70: 43746 + 634 = 44380
Step 71: 44380 + 634 = 45014
Step 72: 45014 + 634 = 45648
Step 73: 45648 + 634 = 46282
Step 74: 46282 + 634 = 46916
Step 75: 46916 + 634 = 47550
Step 76: 47550 + 634 = 48184
Step 77: 48184 + 634 = 48818
Step 78: 48818 + 634 = 49452
Step 79: 49452 + 634 = 50086
Step 80: 50086 + 634 = 50720
Step 81: 50720 + 634 = 51354
Step 82: 51354 + 634 = 51988
Step 83: 51988 + 634 = 52622
Step 84: 52622 + 634 = 53256
Step 85: 53256 + 634 = 53890
Step 86: 53890 + 634 = 54524
Step 87: 54524 + 634 = 55158
Step 88: 55158 + 634 = 55792
Step 89: 55792 + 634 = 56426
Step 90: 56426 + 634 = 57060
Step 91: 57060 + 634 = 57694
Step 92: 57694 + 634 = 58328
Step 93: 58328 + 634 = 58962
Step 94: 58962 + 634 = 59596
Step 95: 59596 + 634 = 60230
Step 96: 60230 + 634 = 60864
Step 97: 60864 + 634 = 61498
Step 98: 61498 + 634 = 62132
Step 99: 62132 + 634 = 62766
Step 100: 62766 + 634 = 63400
Step 101: 63400 + 634 = 64034
Step 102: 64034 + 634 = 64668
Step 103: 64668 + 634 = 65302
Step 104: 65302 + 634 = 65936
Step 105: 65936 + 634 = 66570
Step 106: 66570 + 634 = 67204
Step 107: 67204 + 634 = 67838
Step 108: 67838 + 634 = 68472
Step 109: 68472 + 634 = 69106
Step 110: 69106 + 634 = 69740
Step 111: 69740 + 634 = 70374
Step 112: 70374 + 634 = 71008
Step 113: 71008 + 634 = 71642
Step 114: 71642 + 634 = 72276
Step 115: 72276 + 634 = 72910
Step 116: 72910 + 634 = 73544
Step 117: 73544 + 634 = 74178
Step 118: 74178 + 634 = 74812
Step 119: 74812 + 634 = 75446
Step 120: 75446 + 634 = 76080
Step 121: 76080 + 634 = 76714
Step 122: 76714 + 634 = 77348
Step 123: 77348 + 634 = 77982
Step 124: 77982 + 634 = 78616
Step 125: 78616 + 634 = 79250
Step 126: 79250 + 634 = 79884
Step 127: 79884 + 634 = 80518
Step 128: 80518 + 634 = 81152
Step 129: 81152 + 634 = 81786
Step 130: 81786 + 634 = 82420
Step 131: 82420 + 634 = 83054
Step 132: 83054 + 634 = 83688
Step 133: 83688 + 634 = 84322
Step 134: 84322 + 634 = 84956
Step 135: 84956 + 634 = 85590
Step 136: 85590 + 634 = 86224
Step 137: 86224 + 634 = 86858
Step 138: 86858 + 634 = 87492
Step 139: 87492 + 634 = 88126
Step 140: 88126 + 634 = 88760
Step 141: 88760 + 634 = 89394
Step 142: 89394 + 634 = 90028
Step 143: 90028 + 634 = 90662
Step 144: 90662 + 634 = 91296
Step 145: 91296 + 634 = 91930
Step 146: 91930 + 634 = 92564
Step 147: 92564 + 634 = 93198
Step 148: 93198 + 634 = 93832
Step 149: 93832 + 634 = 94466
Step 150: 94466 + 634 = 95100
Step 151: 95100 + 634 = 95734
Step 152: 95734 + 634 = 96368
Step 153: 96368 + 634 = 97002
Step 154: 97002 + 634 = 97636
Step 155: 97636 + 634 = 98270
Step 156: 98270 + 634 = 98904
Step 157: 98904 + 634 = 99538
Step 158: 99538 + 634 = 100172
Step 159: 100172 + 634 = 100806
Step 160: 100806 + 634 = 101440
Step 161: 101440 + 634 = 102074
Step 162: 102074 + 634 = 102708
Step 163: 102708 + 634 = 103342
Step 164: 103342 + 634 = 103976
Step 165: 103976 + 634 = 104610
Step 166: 104610 + 634 = 105244
Step 167: 105244 + 634 = 105878
Step 168: 105878 + 634 = 106512
Step 169: 106512 + 634 = 107146
Step 170: 107146 + 634 = 107780
Step 171: 107780 + 634 = 108414
Step 172: 108414 + 634 = 109048
Step 173: 109048 + 634 = 109682
Step 174: 109682 + 634 = 110316
Step 175: 110316 + 634 = 110950
Step 176: 110950 + 634 = 111584
Step 177: 111584 + 634 = 112218
Step 178: 112218 + 634 = 112852
Step 179: 112852 + 634 = 113486
Step 180: 113486 + 634 = 114120
Step 181: 114120 + 634 = 114754
Step 182: 114754 + 634 = 115388
Step 183: 115388 + 634 = 116022
Step 184: 116022 + 634 = 116656
Step 185: 116656 + 634 = 117290
Step 186: 117290 + 634 = 117924
Step 187: 117924 + 634 = 118558
Step 188: 118558 + 634 = 119192
Step 189: 119192 + 634 = 119826
Step 190: 119826 + 634 = 120460
Step 191: 120460 + 634 = 121094
Step 192: 121094 + 634 = 121728
Step 193: 121728 + 634 = 122362
Step 194: 122362 + 634 = 122996
Step 195: 122996 + 634 = 123630
Step 196: 123630 + 634 = 124264
Step 197: 124264 + 634 = 124898
Step 198: 124898 + 634 = 125532
Step 199: 125532 + 634 = 126166
Step 200: 126166 + 634 = 126800
Step 201: 126800 + 634 = 127434
Step 202: 127434 + 634 = 128068
Step 203: 128068 + 634 = 128702
Step 204: 128702 + 634 = 129336
Step 205: 129336 + 634 = 129970
Step 206: 129970 + 634 = 130604
Step 207: 130604 + 634 = 131238
Step 208: 131238 + 634 = 131872
Step 209: 131872 + 634 = 132506
Step 210: 132506 + 634 = 133140
Step 211: 133140 + 634 = 133774
Step 212: 133774 + 634 = 134408
Step 213: 134408 + 634 = 135042
Step 214: 135042 + 634 = 135676
Step 215: 135676 + 634 = 136310
Step 216: 136310 + 634 = 136944
Step 217: 136944 + 634 = 137578
Step 218: 137578 + 634 = 138212
Step 219: 138212 + 634 = 138846
Step 220: 138846 + 634 = 139480
Step 221: 139480 + 634 = 140114
Step 222: 140114 + 634 = 140748
Step 223: 140748 + 634 = 141382
Step 224: 141382 + 634 = 142016
Step 225: 142016 + 634 = 142650
Step 226: 142650 + 634 = 143284
Step 227: 143284 + 634 = 143918
Step 228: 143918 + 634 = 144552
Step 229: 144552 + 634 = 145186
Step 230: 145186 + 634 = 145820
Step 231: 145820 + 634 = 146454
Step 232: 146454 + 634 = 147088
Step 233: 147088 + 634 = 147722
Step 234: 147722 + 634 = 148356
Step 235: 148356 + 634 = 148990
Step 236: 148990 + 634 = 149624
Step 237: 149624 + 634 = 150258
Step 238: 150258 + 634 = 150892
Step 239: 150892 + 634 = 151526
Step 240: 151526 + 634 = 152160
Step 241: 152160 + 634 = 152794
Step 242: 152794 + 634 = 153428
Step 243: 153428 + 634 = 154062
Step 244: 154062 + 634 = 154696
Step 245: 154696 + 634 = 155330
Step 246: 155330 + 634 = 155964
Step 247: 155964 + 634 = 156598
Step 248: 156598 + 634 = 157232
Step 249: 157232 + 634 = 157866
Step 250: 157866 + 634 = 158500
Step 251: 158500 + 634 = 159134
Step 252: 159134 + 634 = 159768
Step 253: 159768 + 634 = 160402
Step 254: 160402 + 634 = 161036
Step 255: 161036 + 634 = 161670
Step 256: 161670 + 634 = 162304
Step 257: 162304 + 634 = 162938
Step 258: 162938 + 634 = 163572
Step 259: 163572 + 634 = 164206
Step 260: 164206 + 634 = 164840
Step 261: 164840 + 634 = 165474
Step 262: 165474 + 634 = 166108
Step 263: 166108 + 634 = 166742

So, 634*263 = 166742