Alright, let's solve this math problem step by step. First, we have the number 241. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 90. So, we're going to take the number 241 and add it to itself 90 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

So, 241*90 = 21690