OK, let's crack this. We're given 269 and our task is to multiply it by 129. Essentially, we'll be adding 269 to itself 129 times.
Step 1: 0 + 269 = 269
Step 2: 269 + 269 = 538
Step 3: 538 + 269 = 807
Step 4: 807 + 269 = 1076
Step 5: 1076 + 269 = 1345
Step 6: 1345 + 269 = 1614
Step 7: 1614 + 269 = 1883
Step 8: 1883 + 269 = 2152
Step 9: 2152 + 269 = 2421
Step 10: 2421 + 269 = 2690
Step 11: 2690 + 269 = 2959
Step 12: 2959 + 269 = 3228
Step 13: 3228 + 269 = 3497
Step 14: 3497 + 269 = 3766
Step 15: 3766 + 269 = 4035
Step 16: 4035 + 269 = 4304
Step 17: 4304 + 269 = 4573
Step 18: 4573 + 269 = 4842
Step 19: 4842 + 269 = 5111
Step 20: 5111 + 269 = 5380
Step 21: 5380 + 269 = 5649
Step 22: 5649 + 269 = 5918
Step 23: 5918 + 269 = 6187
Step 24: 6187 + 269 = 6456
Step 25: 6456 + 269 = 6725
Step 26: 6725 + 269 = 6994
Step 27: 6994 + 269 = 7263
Step 28: 7263 + 269 = 7532
Step 29: 7532 + 269 = 7801
Step 30: 7801 + 269 = 8070
Step 31: 8070 + 269 = 8339
Step 32: 8339 + 269 = 8608
Step 33: 8608 + 269 = 8877
Step 34: 8877 + 269 = 9146
Step 35: 9146 + 269 = 9415
Step 36: 9415 + 269 = 9684
Step 37: 9684 + 269 = 9953
Step 38: 9953 + 269 = 10222
Step 39: 10222 + 269 = 10491
Step 40: 10491 + 269 = 10760
Step 41: 10760 + 269 = 11029
Step 42: 11029 + 269 = 11298
Step 43: 11298 + 269 = 11567
Step 44: 11567 + 269 = 11836
Step 45: 11836 + 269 = 12105
Step 46: 12105 + 269 = 12374
Step 47: 12374 + 269 = 12643
Step 48: 12643 + 269 = 12912
Step 49: 12912 + 269 = 13181
Step 50: 13181 + 269 = 13450
Step 51: 13450 + 269 = 13719
Step 52: 13719 + 269 = 13988
Step 53: 13988 + 269 = 14257
Step 54: 14257 + 269 = 14526
Step 55: 14526 + 269 = 14795
Step 56: 14795 + 269 = 15064
Step 57: 15064 + 269 = 15333
Step 58: 15333 + 269 = 15602
Step 59: 15602 + 269 = 15871
Step 60: 15871 + 269 = 16140
Step 61: 16140 + 269 = 16409
Step 62: 16409 + 269 = 16678
Step 63: 16678 + 269 = 16947
Step 64: 16947 + 269 = 17216
Step 65: 17216 + 269 = 17485
Step 66: 17485 + 269 = 17754
Step 67: 17754 + 269 = 18023
Step 68: 18023 + 269 = 18292
Step 69: 18292 + 269 = 18561
Step 70: 18561 + 269 = 18830
Step 71: 18830 + 269 = 19099
Step 72: 19099 + 269 = 19368
Step 73: 19368 + 269 = 19637
Step 74: 19637 + 269 = 19906
Step 75: 19906 + 269 = 20175
Step 76: 20175 + 269 = 20444
Step 77: 20444 + 269 = 20713
Step 78: 20713 + 269 = 20982
Step 79: 20982 + 269 = 21251
Step 80: 21251 + 269 = 21520
Step 81: 21520 + 269 = 21789
Step 82: 21789 + 269 = 22058
Step 83: 22058 + 269 = 22327
Step 84: 22327 + 269 = 22596
Step 85: 22596 + 269 = 22865
Step 86: 22865 + 269 = 23134
Step 87: 23134 + 269 = 23403
Step 88: 23403 + 269 = 23672
Step 89: 23672 + 269 = 23941
Step 90: 23941 + 269 = 24210
Step 91: 24210 + 269 = 24479
Step 92: 24479 + 269 = 24748
Step 93: 24748 + 269 = 25017
Step 94: 25017 + 269 = 25286
Step 95: 25286 + 269 = 25555
Step 96: 25555 + 269 = 25824
Step 97: 25824 + 269 = 26093
Step 98: 26093 + 269 = 26362
Step 99: 26362 + 269 = 26631
Step 100: 26631 + 269 = 26900
Step 101: 26900 + 269 = 27169
Step 102: 27169 + 269 = 27438
Step 103: 27438 + 269 = 27707
Step 104: 27707 + 269 = 27976
Step 105: 27976 + 269 = 28245
Step 106: 28245 + 269 = 28514
Step 107: 28514 + 269 = 28783
Step 108: 28783 + 269 = 29052
Step 109: 29052 + 269 = 29321
Step 110: 29321 + 269 = 29590
Step 111: 29590 + 269 = 29859
Step 112: 29859 + 269 = 30128
Step 113: 30128 + 269 = 30397
Step 114: 30397 + 269 = 30666
Step 115: 30666 + 269 = 30935
Step 116: 30935 + 269 = 31204
Step 117: 31204 + 269 = 31473
Step 118: 31473 + 269 = 31742
Step 119: 31742 + 269 = 32011
Step 120: 32011 + 269 = 32280
Step 121: 32280 + 269 = 32549
Step 122: 32549 + 269 = 32818
Step 123: 32818 + 269 = 33087
Step 124: 33087 + 269 = 33356
Step 125: 33356 + 269 = 33625
Step 126: 33625 + 269 = 33894
Step 127: 33894 + 269 = 34163
Step 128: 34163 + 269 = 34432
Step 129: 34432 + 269 = 34701

So, 269*129 = 34701