Let's roll up our sleeves and solve this. We have 659 and we're going to multiply it by 124, essentially adding 659 to itself 124 times.
Step 1: 0 + 659 = 659
Step 2: 659 + 659 = 1318
Step 3: 1318 + 659 = 1977
Step 4: 1977 + 659 = 2636
Step 5: 2636 + 659 = 3295
Step 6: 3295 + 659 = 3954
Step 7: 3954 + 659 = 4613
Step 8: 4613 + 659 = 5272
Step 9: 5272 + 659 = 5931
Step 10: 5931 + 659 = 6590
Step 11: 6590 + 659 = 7249
Step 12: 7249 + 659 = 7908
Step 13: 7908 + 659 = 8567
Step 14: 8567 + 659 = 9226
Step 15: 9226 + 659 = 9885
Step 16: 9885 + 659 = 10544
Step 17: 10544 + 659 = 11203
Step 18: 11203 + 659 = 11862
Step 19: 11862 + 659 = 12521
Step 20: 12521 + 659 = 13180
Step 21: 13180 + 659 = 13839
Step 22: 13839 + 659 = 14498
Step 23: 14498 + 659 = 15157
Step 24: 15157 + 659 = 15816
Step 25: 15816 + 659 = 16475
Step 26: 16475 + 659 = 17134
Step 27: 17134 + 659 = 17793
Step 28: 17793 + 659 = 18452
Step 29: 18452 + 659 = 19111
Step 30: 19111 + 659 = 19770
Step 31: 19770 + 659 = 20429
Step 32: 20429 + 659 = 21088
Step 33: 21088 + 659 = 21747
Step 34: 21747 + 659 = 22406
Step 35: 22406 + 659 = 23065
Step 36: 23065 + 659 = 23724
Step 37: 23724 + 659 = 24383
Step 38: 24383 + 659 = 25042
Step 39: 25042 + 659 = 25701
Step 40: 25701 + 659 = 26360
Step 41: 26360 + 659 = 27019
Step 42: 27019 + 659 = 27678
Step 43: 27678 + 659 = 28337
Step 44: 28337 + 659 = 28996
Step 45: 28996 + 659 = 29655
Step 46: 29655 + 659 = 30314
Step 47: 30314 + 659 = 30973
Step 48: 30973 + 659 = 31632
Step 49: 31632 + 659 = 32291
Step 50: 32291 + 659 = 32950
Step 51: 32950 + 659 = 33609
Step 52: 33609 + 659 = 34268
Step 53: 34268 + 659 = 34927
Step 54: 34927 + 659 = 35586
Step 55: 35586 + 659 = 36245
Step 56: 36245 + 659 = 36904
Step 57: 36904 + 659 = 37563
Step 58: 37563 + 659 = 38222
Step 59: 38222 + 659 = 38881
Step 60: 38881 + 659 = 39540
Step 61: 39540 + 659 = 40199
Step 62: 40199 + 659 = 40858
Step 63: 40858 + 659 = 41517
Step 64: 41517 + 659 = 42176
Step 65: 42176 + 659 = 42835
Step 66: 42835 + 659 = 43494
Step 67: 43494 + 659 = 44153
Step 68: 44153 + 659 = 44812
Step 69: 44812 + 659 = 45471
Step 70: 45471 + 659 = 46130
Step 71: 46130 + 659 = 46789
Step 72: 46789 + 659 = 47448
Step 73: 47448 + 659 = 48107
Step 74: 48107 + 659 = 48766
Step 75: 48766 + 659 = 49425
Step 76: 49425 + 659 = 50084
Step 77: 50084 + 659 = 50743
Step 78: 50743 + 659 = 51402
Step 79: 51402 + 659 = 52061
Step 80: 52061 + 659 = 52720
Step 81: 52720 + 659 = 53379
Step 82: 53379 + 659 = 54038
Step 83: 54038 + 659 = 54697
Step 84: 54697 + 659 = 55356
Step 85: 55356 + 659 = 56015
Step 86: 56015 + 659 = 56674
Step 87: 56674 + 659 = 57333
Step 88: 57333 + 659 = 57992
Step 89: 57992 + 659 = 58651
Step 90: 58651 + 659 = 59310
Step 91: 59310 + 659 = 59969
Step 92: 59969 + 659 = 60628
Step 93: 60628 + 659 = 61287
Step 94: 61287 + 659 = 61946
Step 95: 61946 + 659 = 62605
Step 96: 62605 + 659 = 63264
Step 97: 63264 + 659 = 63923
Step 98: 63923 + 659 = 64582
Step 99: 64582 + 659 = 65241
Step 100: 65241 + 659 = 65900
Step 101: 65900 + 659 = 66559
Step 102: 66559 + 659 = 67218
Step 103: 67218 + 659 = 67877
Step 104: 67877 + 659 = 68536
Step 105: 68536 + 659 = 69195
Step 106: 69195 + 659 = 69854
Step 107: 69854 + 659 = 70513
Step 108: 70513 + 659 = 71172
Step 109: 71172 + 659 = 71831
Step 110: 71831 + 659 = 72490
Step 111: 72490 + 659 = 73149
Step 112: 73149 + 659 = 73808
Step 113: 73808 + 659 = 74467
Step 114: 74467 + 659 = 75126
Step 115: 75126 + 659 = 75785
Step 116: 75785 + 659 = 76444
Step 117: 76444 + 659 = 77103
Step 118: 77103 + 659 = 77762
Step 119: 77762 + 659 = 78421
Step 120: 78421 + 659 = 79080
Step 121: 79080 + 659 = 79739
Step 122: 79739 + 659 = 80398
Step 123: 80398 + 659 = 81057
Step 124: 81057 + 659 = 81716

So, 659*124 = 81716