Let's roll up our sleeves and solve this. We have 591 and we're going to multiply it by 127, essentially adding 591 to itself 127 times.
Step 1: 0 + 591 = 591
Step 2: 591 + 591 = 1182
Step 3: 1182 + 591 = 1773
Step 4: 1773 + 591 = 2364
Step 5: 2364 + 591 = 2955
Step 6: 2955 + 591 = 3546
Step 7: 3546 + 591 = 4137
Step 8: 4137 + 591 = 4728
Step 9: 4728 + 591 = 5319
Step 10: 5319 + 591 = 5910
Step 11: 5910 + 591 = 6501
Step 12: 6501 + 591 = 7092
Step 13: 7092 + 591 = 7683
Step 14: 7683 + 591 = 8274
Step 15: 8274 + 591 = 8865
Step 16: 8865 + 591 = 9456
Step 17: 9456 + 591 = 10047
Step 18: 10047 + 591 = 10638
Step 19: 10638 + 591 = 11229
Step 20: 11229 + 591 = 11820
Step 21: 11820 + 591 = 12411
Step 22: 12411 + 591 = 13002
Step 23: 13002 + 591 = 13593
Step 24: 13593 + 591 = 14184
Step 25: 14184 + 591 = 14775
Step 26: 14775 + 591 = 15366
Step 27: 15366 + 591 = 15957
Step 28: 15957 + 591 = 16548
Step 29: 16548 + 591 = 17139
Step 30: 17139 + 591 = 17730
Step 31: 17730 + 591 = 18321
Step 32: 18321 + 591 = 18912
Step 33: 18912 + 591 = 19503
Step 34: 19503 + 591 = 20094
Step 35: 20094 + 591 = 20685
Step 36: 20685 + 591 = 21276
Step 37: 21276 + 591 = 21867
Step 38: 21867 + 591 = 22458
Step 39: 22458 + 591 = 23049
Step 40: 23049 + 591 = 23640
Step 41: 23640 + 591 = 24231
Step 42: 24231 + 591 = 24822
Step 43: 24822 + 591 = 25413
Step 44: 25413 + 591 = 26004
Step 45: 26004 + 591 = 26595
Step 46: 26595 + 591 = 27186
Step 47: 27186 + 591 = 27777
Step 48: 27777 + 591 = 28368
Step 49: 28368 + 591 = 28959
Step 50: 28959 + 591 = 29550
Step 51: 29550 + 591 = 30141
Step 52: 30141 + 591 = 30732
Step 53: 30732 + 591 = 31323
Step 54: 31323 + 591 = 31914
Step 55: 31914 + 591 = 32505
Step 56: 32505 + 591 = 33096
Step 57: 33096 + 591 = 33687
Step 58: 33687 + 591 = 34278
Step 59: 34278 + 591 = 34869
Step 60: 34869 + 591 = 35460
Step 61: 35460 + 591 = 36051
Step 62: 36051 + 591 = 36642
Step 63: 36642 + 591 = 37233
Step 64: 37233 + 591 = 37824
Step 65: 37824 + 591 = 38415
Step 66: 38415 + 591 = 39006
Step 67: 39006 + 591 = 39597
Step 68: 39597 + 591 = 40188
Step 69: 40188 + 591 = 40779
Step 70: 40779 + 591 = 41370
Step 71: 41370 + 591 = 41961
Step 72: 41961 + 591 = 42552
Step 73: 42552 + 591 = 43143
Step 74: 43143 + 591 = 43734
Step 75: 43734 + 591 = 44325
Step 76: 44325 + 591 = 44916
Step 77: 44916 + 591 = 45507
Step 78: 45507 + 591 = 46098
Step 79: 46098 + 591 = 46689
Step 80: 46689 + 591 = 47280
Step 81: 47280 + 591 = 47871
Step 82: 47871 + 591 = 48462
Step 83: 48462 + 591 = 49053
Step 84: 49053 + 591 = 49644
Step 85: 49644 + 591 = 50235
Step 86: 50235 + 591 = 50826
Step 87: 50826 + 591 = 51417
Step 88: 51417 + 591 = 52008
Step 89: 52008 + 591 = 52599
Step 90: 52599 + 591 = 53190
Step 91: 53190 + 591 = 53781
Step 92: 53781 + 591 = 54372
Step 93: 54372 + 591 = 54963
Step 94: 54963 + 591 = 55554
Step 95: 55554 + 591 = 56145
Step 96: 56145 + 591 = 56736
Step 97: 56736 + 591 = 57327
Step 98: 57327 + 591 = 57918
Step 99: 57918 + 591 = 58509
Step 100: 58509 + 591 = 59100
Step 101: 59100 + 591 = 59691
Step 102: 59691 + 591 = 60282
Step 103: 60282 + 591 = 60873
Step 104: 60873 + 591 = 61464
Step 105: 61464 + 591 = 62055
Step 106: 62055 + 591 = 62646
Step 107: 62646 + 591 = 63237
Step 108: 63237 + 591 = 63828
Step 109: 63828 + 591 = 64419
Step 110: 64419 + 591 = 65010
Step 111: 65010 + 591 = 65601
Step 112: 65601 + 591 = 66192
Step 113: 66192 + 591 = 66783
Step 114: 66783 + 591 = 67374
Step 115: 67374 + 591 = 67965
Step 116: 67965 + 591 = 68556
Step 117: 68556 + 591 = 69147
Step 118: 69147 + 591 = 69738
Step 119: 69738 + 591 = 70329
Step 120: 70329 + 591 = 70920
Step 121: 70920 + 591 = 71511
Step 122: 71511 + 591 = 72102
Step 123: 72102 + 591 = 72693
Step 124: 72693 + 591 = 73284
Step 125: 73284 + 591 = 73875
Step 126: 73875 + 591 = 74466
Step 127: 74466 + 591 = 75057

So, 591*127 = 75057