Alright, let's solve this math problem step by step. First, we have the number 657. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 173. So, we're going to take the number 657 and add it to itself 173 times.
Step 1: 0 + 657 = 657
Step 2: 657 + 657 = 1314
Step 3: 1314 + 657 = 1971
Step 4: 1971 + 657 = 2628
Step 5: 2628 + 657 = 3285
Step 6: 3285 + 657 = 3942
Step 7: 3942 + 657 = 4599
Step 8: 4599 + 657 = 5256
Step 9: 5256 + 657 = 5913
Step 10: 5913 + 657 = 6570
Step 11: 6570 + 657 = 7227
Step 12: 7227 + 657 = 7884
Step 13: 7884 + 657 = 8541
Step 14: 8541 + 657 = 9198
Step 15: 9198 + 657 = 9855
Step 16: 9855 + 657 = 10512
Step 17: 10512 + 657 = 11169
Step 18: 11169 + 657 = 11826
Step 19: 11826 + 657 = 12483
Step 20: 12483 + 657 = 13140
Step 21: 13140 + 657 = 13797
Step 22: 13797 + 657 = 14454
Step 23: 14454 + 657 = 15111
Step 24: 15111 + 657 = 15768
Step 25: 15768 + 657 = 16425
Step 26: 16425 + 657 = 17082
Step 27: 17082 + 657 = 17739
Step 28: 17739 + 657 = 18396
Step 29: 18396 + 657 = 19053
Step 30: 19053 + 657 = 19710
Step 31: 19710 + 657 = 20367
Step 32: 20367 + 657 = 21024
Step 33: 21024 + 657 = 21681
Step 34: 21681 + 657 = 22338
Step 35: 22338 + 657 = 22995
Step 36: 22995 + 657 = 23652
Step 37: 23652 + 657 = 24309
Step 38: 24309 + 657 = 24966
Step 39: 24966 + 657 = 25623
Step 40: 25623 + 657 = 26280
Step 41: 26280 + 657 = 26937
Step 42: 26937 + 657 = 27594
Step 43: 27594 + 657 = 28251
Step 44: 28251 + 657 = 28908
Step 45: 28908 + 657 = 29565
Step 46: 29565 + 657 = 30222
Step 47: 30222 + 657 = 30879
Step 48: 30879 + 657 = 31536
Step 49: 31536 + 657 = 32193
Step 50: 32193 + 657 = 32850
Step 51: 32850 + 657 = 33507
Step 52: 33507 + 657 = 34164
Step 53: 34164 + 657 = 34821
Step 54: 34821 + 657 = 35478
Step 55: 35478 + 657 = 36135
Step 56: 36135 + 657 = 36792
Step 57: 36792 + 657 = 37449
Step 58: 37449 + 657 = 38106
Step 59: 38106 + 657 = 38763
Step 60: 38763 + 657 = 39420
Step 61: 39420 + 657 = 40077
Step 62: 40077 + 657 = 40734
Step 63: 40734 + 657 = 41391
Step 64: 41391 + 657 = 42048
Step 65: 42048 + 657 = 42705
Step 66: 42705 + 657 = 43362
Step 67: 43362 + 657 = 44019
Step 68: 44019 + 657 = 44676
Step 69: 44676 + 657 = 45333
Step 70: 45333 + 657 = 45990
Step 71: 45990 + 657 = 46647
Step 72: 46647 + 657 = 47304
Step 73: 47304 + 657 = 47961
Step 74: 47961 + 657 = 48618
Step 75: 48618 + 657 = 49275
Step 76: 49275 + 657 = 49932
Step 77: 49932 + 657 = 50589
Step 78: 50589 + 657 = 51246
Step 79: 51246 + 657 = 51903
Step 80: 51903 + 657 = 52560
Step 81: 52560 + 657 = 53217
Step 82: 53217 + 657 = 53874
Step 83: 53874 + 657 = 54531
Step 84: 54531 + 657 = 55188
Step 85: 55188 + 657 = 55845
Step 86: 55845 + 657 = 56502
Step 87: 56502 + 657 = 57159
Step 88: 57159 + 657 = 57816
Step 89: 57816 + 657 = 58473
Step 90: 58473 + 657 = 59130
Step 91: 59130 + 657 = 59787
Step 92: 59787 + 657 = 60444
Step 93: 60444 + 657 = 61101
Step 94: 61101 + 657 = 61758
Step 95: 61758 + 657 = 62415
Step 96: 62415 + 657 = 63072
Step 97: 63072 + 657 = 63729
Step 98: 63729 + 657 = 64386
Step 99: 64386 + 657 = 65043
Step 100: 65043 + 657 = 65700
Step 101: 65700 + 657 = 66357
Step 102: 66357 + 657 = 67014
Step 103: 67014 + 657 = 67671
Step 104: 67671 + 657 = 68328
Step 105: 68328 + 657 = 68985
Step 106: 68985 + 657 = 69642
Step 107: 69642 + 657 = 70299
Step 108: 70299 + 657 = 70956
Step 109: 70956 + 657 = 71613
Step 110: 71613 + 657 = 72270
Step 111: 72270 + 657 = 72927
Step 112: 72927 + 657 = 73584
Step 113: 73584 + 657 = 74241
Step 114: 74241 + 657 = 74898
Step 115: 74898 + 657 = 75555
Step 116: 75555 + 657 = 76212
Step 117: 76212 + 657 = 76869
Step 118: 76869 + 657 = 77526
Step 119: 77526 + 657 = 78183
Step 120: 78183 + 657 = 78840
Step 121: 78840 + 657 = 79497
Step 122: 79497 + 657 = 80154
Step 123: 80154 + 657 = 80811
Step 124: 80811 + 657 = 81468
Step 125: 81468 + 657 = 82125
Step 126: 82125 + 657 = 82782
Step 127: 82782 + 657 = 83439
Step 128: 83439 + 657 = 84096
Step 129: 84096 + 657 = 84753
Step 130: 84753 + 657 = 85410
Step 131: 85410 + 657 = 86067
Step 132: 86067 + 657 = 86724
Step 133: 86724 + 657 = 87381
Step 134: 87381 + 657 = 88038
Step 135: 88038 + 657 = 88695
Step 136: 88695 + 657 = 89352
Step 137: 89352 + 657 = 90009
Step 138: 90009 + 657 = 90666
Step 139: 90666 + 657 = 91323
Step 140: 91323 + 657 = 91980
Step 141: 91980 + 657 = 92637
Step 142: 92637 + 657 = 93294
Step 143: 93294 + 657 = 93951
Step 144: 93951 + 657 = 94608
Step 145: 94608 + 657 = 95265
Step 146: 95265 + 657 = 95922
Step 147: 95922 + 657 = 96579
Step 148: 96579 + 657 = 97236
Step 149: 97236 + 657 = 97893
Step 150: 97893 + 657 = 98550
Step 151: 98550 + 657 = 99207
Step 152: 99207 + 657 = 99864
Step 153: 99864 + 657 = 100521
Step 154: 100521 + 657 = 101178
Step 155: 101178 + 657 = 101835
Step 156: 101835 + 657 = 102492
Step 157: 102492 + 657 = 103149
Step 158: 103149 + 657 = 103806
Step 159: 103806 + 657 = 104463
Step 160: 104463 + 657 = 105120
Step 161: 105120 + 657 = 105777
Step 162: 105777 + 657 = 106434
Step 163: 106434 + 657 = 107091
Step 164: 107091 + 657 = 107748
Step 165: 107748 + 657 = 108405
Step 166: 108405 + 657 = 109062
Step 167: 109062 + 657 = 109719
Step 168: 109719 + 657 = 110376
Step 169: 110376 + 657 = 111033
Step 170: 111033 + 657 = 111690
Step 171: 111690 + 657 = 112347
Step 172: 112347 + 657 = 113004
Step 173: 113004 + 657 = 113661

So, 657*173 = 113661