OK, let's crack this. We're given 241 and our task is to multiply it by 99. Essentially, we'll be adding 241 to itself 99 times.
Step 1: 0 + 241 = 241
Step 2: 241 + 241 = 482
Step 3: 482 + 241 = 723
Step 4: 723 + 241 = 964
Step 5: 964 + 241 = 1205
Step 6: 1205 + 241 = 1446
Step 7: 1446 + 241 = 1687
Step 8: 1687 + 241 = 1928
Step 9: 1928 + 241 = 2169
Step 10: 2169 + 241 = 2410
Step 11: 2410 + 241 = 2651
Step 12: 2651 + 241 = 2892
Step 13: 2892 + 241 = 3133
Step 14: 3133 + 241 = 3374
Step 15: 3374 + 241 = 3615
Step 16: 3615 + 241 = 3856
Step 17: 3856 + 241 = 4097
Step 18: 4097 + 241 = 4338
Step 19: 4338 + 241 = 4579
Step 20: 4579 + 241 = 4820
Step 21: 4820 + 241 = 5061
Step 22: 5061 + 241 = 5302
Step 23: 5302 + 241 = 5543
Step 24: 5543 + 241 = 5784
Step 25: 5784 + 241 = 6025
Step 26: 6025 + 241 = 6266
Step 27: 6266 + 241 = 6507
Step 28: 6507 + 241 = 6748
Step 29: 6748 + 241 = 6989
Step 30: 6989 + 241 = 7230
Step 31: 7230 + 241 = 7471
Step 32: 7471 + 241 = 7712
Step 33: 7712 + 241 = 7953
Step 34: 7953 + 241 = 8194
Step 35: 8194 + 241 = 8435
Step 36: 8435 + 241 = 8676
Step 37: 8676 + 241 = 8917
Step 38: 8917 + 241 = 9158
Step 39: 9158 + 241 = 9399
Step 40: 9399 + 241 = 9640
Step 41: 9640 + 241 = 9881
Step 42: 9881 + 241 = 10122
Step 43: 10122 + 241 = 10363
Step 44: 10363 + 241 = 10604
Step 45: 10604 + 241 = 10845
Step 46: 10845 + 241 = 11086
Step 47: 11086 + 241 = 11327
Step 48: 11327 + 241 = 11568
Step 49: 11568 + 241 = 11809
Step 50: 11809 + 241 = 12050
Step 51: 12050 + 241 = 12291
Step 52: 12291 + 241 = 12532
Step 53: 12532 + 241 = 12773
Step 54: 12773 + 241 = 13014
Step 55: 13014 + 241 = 13255
Step 56: 13255 + 241 = 13496
Step 57: 13496 + 241 = 13737
Step 58: 13737 + 241 = 13978
Step 59: 13978 + 241 = 14219
Step 60: 14219 + 241 = 14460
Step 61: 14460 + 241 = 14701
Step 62: 14701 + 241 = 14942
Step 63: 14942 + 241 = 15183
Step 64: 15183 + 241 = 15424
Step 65: 15424 + 241 = 15665
Step 66: 15665 + 241 = 15906
Step 67: 15906 + 241 = 16147
Step 68: 16147 + 241 = 16388
Step 69: 16388 + 241 = 16629
Step 70: 16629 + 241 = 16870
Step 71: 16870 + 241 = 17111
Step 72: 17111 + 241 = 17352
Step 73: 17352 + 241 = 17593
Step 74: 17593 + 241 = 17834
Step 75: 17834 + 241 = 18075
Step 76: 18075 + 241 = 18316
Step 77: 18316 + 241 = 18557
Step 78: 18557 + 241 = 18798
Step 79: 18798 + 241 = 19039
Step 80: 19039 + 241 = 19280
Step 81: 19280 + 241 = 19521
Step 82: 19521 + 241 = 19762
Step 83: 19762 + 241 = 20003
Step 84: 20003 + 241 = 20244
Step 85: 20244 + 241 = 20485
Step 86: 20485 + 241 = 20726
Step 87: 20726 + 241 = 20967
Step 88: 20967 + 241 = 21208
Step 89: 21208 + 241 = 21449
Step 90: 21449 + 241 = 21690
Step 91: 21690 + 241 = 21931
Step 92: 21931 + 241 = 22172
Step 93: 22172 + 241 = 22413
Step 94: 22413 + 241 = 22654
Step 95: 22654 + 241 = 22895
Step 96: 22895 + 241 = 23136
Step 97: 23136 + 241 = 23377
Step 98: 23377 + 241 = 23618
Step 99: 23618 + 241 = 23859

So, 241*99 = 23859