OK, let's crack this. We're given 793 and our task is to multiply it by 154. Essentially, we'll be adding 793 to itself 154 times.
Step 1: 0 + 793 = 793
Step 2: 793 + 793 = 1586
Step 3: 1586 + 793 = 2379
Step 4: 2379 + 793 = 3172
Step 5: 3172 + 793 = 3965
Step 6: 3965 + 793 = 4758
Step 7: 4758 + 793 = 5551
Step 8: 5551 + 793 = 6344
Step 9: 6344 + 793 = 7137
Step 10: 7137 + 793 = 7930
Step 11: 7930 + 793 = 8723
Step 12: 8723 + 793 = 9516
Step 13: 9516 + 793 = 10309
Step 14: 10309 + 793 = 11102
Step 15: 11102 + 793 = 11895
Step 16: 11895 + 793 = 12688
Step 17: 12688 + 793 = 13481
Step 18: 13481 + 793 = 14274
Step 19: 14274 + 793 = 15067
Step 20: 15067 + 793 = 15860
Step 21: 15860 + 793 = 16653
Step 22: 16653 + 793 = 17446
Step 23: 17446 + 793 = 18239
Step 24: 18239 + 793 = 19032
Step 25: 19032 + 793 = 19825
Step 26: 19825 + 793 = 20618
Step 27: 20618 + 793 = 21411
Step 28: 21411 + 793 = 22204
Step 29: 22204 + 793 = 22997
Step 30: 22997 + 793 = 23790
Step 31: 23790 + 793 = 24583
Step 32: 24583 + 793 = 25376
Step 33: 25376 + 793 = 26169
Step 34: 26169 + 793 = 26962
Step 35: 26962 + 793 = 27755
Step 36: 27755 + 793 = 28548
Step 37: 28548 + 793 = 29341
Step 38: 29341 + 793 = 30134
Step 39: 30134 + 793 = 30927
Step 40: 30927 + 793 = 31720
Step 41: 31720 + 793 = 32513
Step 42: 32513 + 793 = 33306
Step 43: 33306 + 793 = 34099
Step 44: 34099 + 793 = 34892
Step 45: 34892 + 793 = 35685
Step 46: 35685 + 793 = 36478
Step 47: 36478 + 793 = 37271
Step 48: 37271 + 793 = 38064
Step 49: 38064 + 793 = 38857
Step 50: 38857 + 793 = 39650
Step 51: 39650 + 793 = 40443
Step 52: 40443 + 793 = 41236
Step 53: 41236 + 793 = 42029
Step 54: 42029 + 793 = 42822
Step 55: 42822 + 793 = 43615
Step 56: 43615 + 793 = 44408
Step 57: 44408 + 793 = 45201
Step 58: 45201 + 793 = 45994
Step 59: 45994 + 793 = 46787
Step 60: 46787 + 793 = 47580
Step 61: 47580 + 793 = 48373
Step 62: 48373 + 793 = 49166
Step 63: 49166 + 793 = 49959
Step 64: 49959 + 793 = 50752
Step 65: 50752 + 793 = 51545
Step 66: 51545 + 793 = 52338
Step 67: 52338 + 793 = 53131
Step 68: 53131 + 793 = 53924
Step 69: 53924 + 793 = 54717
Step 70: 54717 + 793 = 55510
Step 71: 55510 + 793 = 56303
Step 72: 56303 + 793 = 57096
Step 73: 57096 + 793 = 57889
Step 74: 57889 + 793 = 58682
Step 75: 58682 + 793 = 59475
Step 76: 59475 + 793 = 60268
Step 77: 60268 + 793 = 61061
Step 78: 61061 + 793 = 61854
Step 79: 61854 + 793 = 62647
Step 80: 62647 + 793 = 63440
Step 81: 63440 + 793 = 64233
Step 82: 64233 + 793 = 65026
Step 83: 65026 + 793 = 65819
Step 84: 65819 + 793 = 66612
Step 85: 66612 + 793 = 67405
Step 86: 67405 + 793 = 68198
Step 87: 68198 + 793 = 68991
Step 88: 68991 + 793 = 69784
Step 89: 69784 + 793 = 70577
Step 90: 70577 + 793 = 71370
Step 91: 71370 + 793 = 72163
Step 92: 72163 + 793 = 72956
Step 93: 72956 + 793 = 73749
Step 94: 73749 + 793 = 74542
Step 95: 74542 + 793 = 75335
Step 96: 75335 + 793 = 76128
Step 97: 76128 + 793 = 76921
Step 98: 76921 + 793 = 77714
Step 99: 77714 + 793 = 78507
Step 100: 78507 + 793 = 79300
Step 101: 79300 + 793 = 80093
Step 102: 80093 + 793 = 80886
Step 103: 80886 + 793 = 81679
Step 104: 81679 + 793 = 82472
Step 105: 82472 + 793 = 83265
Step 106: 83265 + 793 = 84058
Step 107: 84058 + 793 = 84851
Step 108: 84851 + 793 = 85644
Step 109: 85644 + 793 = 86437
Step 110: 86437 + 793 = 87230
Step 111: 87230 + 793 = 88023
Step 112: 88023 + 793 = 88816
Step 113: 88816 + 793 = 89609
Step 114: 89609 + 793 = 90402
Step 115: 90402 + 793 = 91195
Step 116: 91195 + 793 = 91988
Step 117: 91988 + 793 = 92781
Step 118: 92781 + 793 = 93574
Step 119: 93574 + 793 = 94367
Step 120: 94367 + 793 = 95160
Step 121: 95160 + 793 = 95953
Step 122: 95953 + 793 = 96746
Step 123: 96746 + 793 = 97539
Step 124: 97539 + 793 = 98332
Step 125: 98332 + 793 = 99125
Step 126: 99125 + 793 = 99918
Step 127: 99918 + 793 = 100711
Step 128: 100711 + 793 = 101504
Step 129: 101504 + 793 = 102297
Step 130: 102297 + 793 = 103090
Step 131: 103090 + 793 = 103883
Step 132: 103883 + 793 = 104676
Step 133: 104676 + 793 = 105469
Step 134: 105469 + 793 = 106262
Step 135: 106262 + 793 = 107055
Step 136: 107055 + 793 = 107848
Step 137: 107848 + 793 = 108641
Step 138: 108641 + 793 = 109434
Step 139: 109434 + 793 = 110227
Step 140: 110227 + 793 = 111020
Step 141: 111020 + 793 = 111813
Step 142: 111813 + 793 = 112606
Step 143: 112606 + 793 = 113399
Step 144: 113399 + 793 = 114192
Step 145: 114192 + 793 = 114985
Step 146: 114985 + 793 = 115778
Step 147: 115778 + 793 = 116571
Step 148: 116571 + 793 = 117364
Step 149: 117364 + 793 = 118157
Step 150: 118157 + 793 = 118950
Step 151: 118950 + 793 = 119743
Step 152: 119743 + 793 = 120536
Step 153: 120536 + 793 = 121329
Step 154: 121329 + 793 = 122122

So, 793*154 = 122122