Let's roll up our sleeves and solve this. We have 567 and we're going to multiply it by 141, essentially adding 567 to itself 141 times.
Step 1: 0 + 567 = 567
Step 2: 567 + 567 = 1134
Step 3: 1134 + 567 = 1701
Step 4: 1701 + 567 = 2268
Step 5: 2268 + 567 = 2835
Step 6: 2835 + 567 = 3402
Step 7: 3402 + 567 = 3969
Step 8: 3969 + 567 = 4536
Step 9: 4536 + 567 = 5103
Step 10: 5103 + 567 = 5670
Step 11: 5670 + 567 = 6237
Step 12: 6237 + 567 = 6804
Step 13: 6804 + 567 = 7371
Step 14: 7371 + 567 = 7938
Step 15: 7938 + 567 = 8505
Step 16: 8505 + 567 = 9072
Step 17: 9072 + 567 = 9639
Step 18: 9639 + 567 = 10206
Step 19: 10206 + 567 = 10773
Step 20: 10773 + 567 = 11340
Step 21: 11340 + 567 = 11907
Step 22: 11907 + 567 = 12474
Step 23: 12474 + 567 = 13041
Step 24: 13041 + 567 = 13608
Step 25: 13608 + 567 = 14175
Step 26: 14175 + 567 = 14742
Step 27: 14742 + 567 = 15309
Step 28: 15309 + 567 = 15876
Step 29: 15876 + 567 = 16443
Step 30: 16443 + 567 = 17010
Step 31: 17010 + 567 = 17577
Step 32: 17577 + 567 = 18144
Step 33: 18144 + 567 = 18711
Step 34: 18711 + 567 = 19278
Step 35: 19278 + 567 = 19845
Step 36: 19845 + 567 = 20412
Step 37: 20412 + 567 = 20979
Step 38: 20979 + 567 = 21546
Step 39: 21546 + 567 = 22113
Step 40: 22113 + 567 = 22680
Step 41: 22680 + 567 = 23247
Step 42: 23247 + 567 = 23814
Step 43: 23814 + 567 = 24381
Step 44: 24381 + 567 = 24948
Step 45: 24948 + 567 = 25515
Step 46: 25515 + 567 = 26082
Step 47: 26082 + 567 = 26649
Step 48: 26649 + 567 = 27216
Step 49: 27216 + 567 = 27783
Step 50: 27783 + 567 = 28350
Step 51: 28350 + 567 = 28917
Step 52: 28917 + 567 = 29484
Step 53: 29484 + 567 = 30051
Step 54: 30051 + 567 = 30618
Step 55: 30618 + 567 = 31185
Step 56: 31185 + 567 = 31752
Step 57: 31752 + 567 = 32319
Step 58: 32319 + 567 = 32886
Step 59: 32886 + 567 = 33453
Step 60: 33453 + 567 = 34020
Step 61: 34020 + 567 = 34587
Step 62: 34587 + 567 = 35154
Step 63: 35154 + 567 = 35721
Step 64: 35721 + 567 = 36288
Step 65: 36288 + 567 = 36855
Step 66: 36855 + 567 = 37422
Step 67: 37422 + 567 = 37989
Step 68: 37989 + 567 = 38556
Step 69: 38556 + 567 = 39123
Step 70: 39123 + 567 = 39690
Step 71: 39690 + 567 = 40257
Step 72: 40257 + 567 = 40824
Step 73: 40824 + 567 = 41391
Step 74: 41391 + 567 = 41958
Step 75: 41958 + 567 = 42525
Step 76: 42525 + 567 = 43092
Step 77: 43092 + 567 = 43659
Step 78: 43659 + 567 = 44226
Step 79: 44226 + 567 = 44793
Step 80: 44793 + 567 = 45360
Step 81: 45360 + 567 = 45927
Step 82: 45927 + 567 = 46494
Step 83: 46494 + 567 = 47061
Step 84: 47061 + 567 = 47628
Step 85: 47628 + 567 = 48195
Step 86: 48195 + 567 = 48762
Step 87: 48762 + 567 = 49329
Step 88: 49329 + 567 = 49896
Step 89: 49896 + 567 = 50463
Step 90: 50463 + 567 = 51030
Step 91: 51030 + 567 = 51597
Step 92: 51597 + 567 = 52164
Step 93: 52164 + 567 = 52731
Step 94: 52731 + 567 = 53298
Step 95: 53298 + 567 = 53865
Step 96: 53865 + 567 = 54432
Step 97: 54432 + 567 = 54999
Step 98: 54999 + 567 = 55566
Step 99: 55566 + 567 = 56133
Step 100: 56133 + 567 = 56700
Step 101: 56700 + 567 = 57267
Step 102: 57267 + 567 = 57834
Step 103: 57834 + 567 = 58401
Step 104: 58401 + 567 = 58968
Step 105: 58968 + 567 = 59535
Step 106: 59535 + 567 = 60102
Step 107: 60102 + 567 = 60669
Step 108: 60669 + 567 = 61236
Step 109: 61236 + 567 = 61803
Step 110: 61803 + 567 = 62370
Step 111: 62370 + 567 = 62937
Step 112: 62937 + 567 = 63504
Step 113: 63504 + 567 = 64071
Step 114: 64071 + 567 = 64638
Step 115: 64638 + 567 = 65205
Step 116: 65205 + 567 = 65772
Step 117: 65772 + 567 = 66339
Step 118: 66339 + 567 = 66906
Step 119: 66906 + 567 = 67473
Step 120: 67473 + 567 = 68040
Step 121: 68040 + 567 = 68607
Step 122: 68607 + 567 = 69174
Step 123: 69174 + 567 = 69741
Step 124: 69741 + 567 = 70308
Step 125: 70308 + 567 = 70875
Step 126: 70875 + 567 = 71442
Step 127: 71442 + 567 = 72009
Step 128: 72009 + 567 = 72576
Step 129: 72576 + 567 = 73143
Step 130: 73143 + 567 = 73710
Step 131: 73710 + 567 = 74277
Step 132: 74277 + 567 = 74844
Step 133: 74844 + 567 = 75411
Step 134: 75411 + 567 = 75978
Step 135: 75978 + 567 = 76545
Step 136: 76545 + 567 = 77112
Step 137: 77112 + 567 = 77679
Step 138: 77679 + 567 = 78246
Step 139: 78246 + 567 = 78813
Step 140: 78813 + 567 = 79380
Step 141: 79380 + 567 = 79947

So, 567*141 = 79947