OK, let's crack this. We're given 886 and our task is to multiply it by 141. Essentially, we'll be adding 886 to itself 141 times.
Step 1: 0 + 886 = 886
Step 2: 886 + 886 = 1772
Step 3: 1772 + 886 = 2658
Step 4: 2658 + 886 = 3544
Step 5: 3544 + 886 = 4430
Step 6: 4430 + 886 = 5316
Step 7: 5316 + 886 = 6202
Step 8: 6202 + 886 = 7088
Step 9: 7088 + 886 = 7974
Step 10: 7974 + 886 = 8860
Step 11: 8860 + 886 = 9746
Step 12: 9746 + 886 = 10632
Step 13: 10632 + 886 = 11518
Step 14: 11518 + 886 = 12404
Step 15: 12404 + 886 = 13290
Step 16: 13290 + 886 = 14176
Step 17: 14176 + 886 = 15062
Step 18: 15062 + 886 = 15948
Step 19: 15948 + 886 = 16834
Step 20: 16834 + 886 = 17720
Step 21: 17720 + 886 = 18606
Step 22: 18606 + 886 = 19492
Step 23: 19492 + 886 = 20378
Step 24: 20378 + 886 = 21264
Step 25: 21264 + 886 = 22150
Step 26: 22150 + 886 = 23036
Step 27: 23036 + 886 = 23922
Step 28: 23922 + 886 = 24808
Step 29: 24808 + 886 = 25694
Step 30: 25694 + 886 = 26580
Step 31: 26580 + 886 = 27466
Step 32: 27466 + 886 = 28352
Step 33: 28352 + 886 = 29238
Step 34: 29238 + 886 = 30124
Step 35: 30124 + 886 = 31010
Step 36: 31010 + 886 = 31896
Step 37: 31896 + 886 = 32782
Step 38: 32782 + 886 = 33668
Step 39: 33668 + 886 = 34554
Step 40: 34554 + 886 = 35440
Step 41: 35440 + 886 = 36326
Step 42: 36326 + 886 = 37212
Step 43: 37212 + 886 = 38098
Step 44: 38098 + 886 = 38984
Step 45: 38984 + 886 = 39870
Step 46: 39870 + 886 = 40756
Step 47: 40756 + 886 = 41642
Step 48: 41642 + 886 = 42528
Step 49: 42528 + 886 = 43414
Step 50: 43414 + 886 = 44300
Step 51: 44300 + 886 = 45186
Step 52: 45186 + 886 = 46072
Step 53: 46072 + 886 = 46958
Step 54: 46958 + 886 = 47844
Step 55: 47844 + 886 = 48730
Step 56: 48730 + 886 = 49616
Step 57: 49616 + 886 = 50502
Step 58: 50502 + 886 = 51388
Step 59: 51388 + 886 = 52274
Step 60: 52274 + 886 = 53160
Step 61: 53160 + 886 = 54046
Step 62: 54046 + 886 = 54932
Step 63: 54932 + 886 = 55818
Step 64: 55818 + 886 = 56704
Step 65: 56704 + 886 = 57590
Step 66: 57590 + 886 = 58476
Step 67: 58476 + 886 = 59362
Step 68: 59362 + 886 = 60248
Step 69: 60248 + 886 = 61134
Step 70: 61134 + 886 = 62020
Step 71: 62020 + 886 = 62906
Step 72: 62906 + 886 = 63792
Step 73: 63792 + 886 = 64678
Step 74: 64678 + 886 = 65564
Step 75: 65564 + 886 = 66450
Step 76: 66450 + 886 = 67336
Step 77: 67336 + 886 = 68222
Step 78: 68222 + 886 = 69108
Step 79: 69108 + 886 = 69994
Step 80: 69994 + 886 = 70880
Step 81: 70880 + 886 = 71766
Step 82: 71766 + 886 = 72652
Step 83: 72652 + 886 = 73538
Step 84: 73538 + 886 = 74424
Step 85: 74424 + 886 = 75310
Step 86: 75310 + 886 = 76196
Step 87: 76196 + 886 = 77082
Step 88: 77082 + 886 = 77968
Step 89: 77968 + 886 = 78854
Step 90: 78854 + 886 = 79740
Step 91: 79740 + 886 = 80626
Step 92: 80626 + 886 = 81512
Step 93: 81512 + 886 = 82398
Step 94: 82398 + 886 = 83284
Step 95: 83284 + 886 = 84170
Step 96: 84170 + 886 = 85056
Step 97: 85056 + 886 = 85942
Step 98: 85942 + 886 = 86828
Step 99: 86828 + 886 = 87714
Step 100: 87714 + 886 = 88600
Step 101: 88600 + 886 = 89486
Step 102: 89486 + 886 = 90372
Step 103: 90372 + 886 = 91258
Step 104: 91258 + 886 = 92144
Step 105: 92144 + 886 = 93030
Step 106: 93030 + 886 = 93916
Step 107: 93916 + 886 = 94802
Step 108: 94802 + 886 = 95688
Step 109: 95688 + 886 = 96574
Step 110: 96574 + 886 = 97460
Step 111: 97460 + 886 = 98346
Step 112: 98346 + 886 = 99232
Step 113: 99232 + 886 = 100118
Step 114: 100118 + 886 = 101004
Step 115: 101004 + 886 = 101890
Step 116: 101890 + 886 = 102776
Step 117: 102776 + 886 = 103662
Step 118: 103662 + 886 = 104548
Step 119: 104548 + 886 = 105434
Step 120: 105434 + 886 = 106320
Step 121: 106320 + 886 = 107206
Step 122: 107206 + 886 = 108092
Step 123: 108092 + 886 = 108978
Step 124: 108978 + 886 = 109864
Step 125: 109864 + 886 = 110750
Step 126: 110750 + 886 = 111636
Step 127: 111636 + 886 = 112522
Step 128: 112522 + 886 = 113408
Step 129: 113408 + 886 = 114294
Step 130: 114294 + 886 = 115180
Step 131: 115180 + 886 = 116066
Step 132: 116066 + 886 = 116952
Step 133: 116952 + 886 = 117838
Step 134: 117838 + 886 = 118724
Step 135: 118724 + 886 = 119610
Step 136: 119610 + 886 = 120496
Step 137: 120496 + 886 = 121382
Step 138: 121382 + 886 = 122268
Step 139: 122268 + 886 = 123154
Step 140: 123154 + 886 = 124040
Step 141: 124040 + 886 = 124926

So, 886*141 = 124926