Alright, let's solve this math problem step by step. First, we have the number 421. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 58. So, we're going to take the number 421 and add it to itself 58 times.
Step 1: 0 + 421 = 421
Step 2: 421 + 421 = 842
Step 3: 842 + 421 = 1263
Step 4: 1263 + 421 = 1684
Step 5: 1684 + 421 = 2105
Step 6: 2105 + 421 = 2526
Step 7: 2526 + 421 = 2947
Step 8: 2947 + 421 = 3368
Step 9: 3368 + 421 = 3789
Step 10: 3789 + 421 = 4210
Step 11: 4210 + 421 = 4631
Step 12: 4631 + 421 = 5052
Step 13: 5052 + 421 = 5473
Step 14: 5473 + 421 = 5894
Step 15: 5894 + 421 = 6315
Step 16: 6315 + 421 = 6736
Step 17: 6736 + 421 = 7157
Step 18: 7157 + 421 = 7578
Step 19: 7578 + 421 = 7999
Step 20: 7999 + 421 = 8420
Step 21: 8420 + 421 = 8841
Step 22: 8841 + 421 = 9262
Step 23: 9262 + 421 = 9683
Step 24: 9683 + 421 = 10104
Step 25: 10104 + 421 = 10525
Step 26: 10525 + 421 = 10946
Step 27: 10946 + 421 = 11367
Step 28: 11367 + 421 = 11788
Step 29: 11788 + 421 = 12209
Step 30: 12209 + 421 = 12630
Step 31: 12630 + 421 = 13051
Step 32: 13051 + 421 = 13472
Step 33: 13472 + 421 = 13893
Step 34: 13893 + 421 = 14314
Step 35: 14314 + 421 = 14735
Step 36: 14735 + 421 = 15156
Step 37: 15156 + 421 = 15577
Step 38: 15577 + 421 = 15998
Step 39: 15998 + 421 = 16419
Step 40: 16419 + 421 = 16840
Step 41: 16840 + 421 = 17261
Step 42: 17261 + 421 = 17682
Step 43: 17682 + 421 = 18103
Step 44: 18103 + 421 = 18524
Step 45: 18524 + 421 = 18945
Step 46: 18945 + 421 = 19366
Step 47: 19366 + 421 = 19787
Step 48: 19787 + 421 = 20208
Step 49: 20208 + 421 = 20629
Step 50: 20629 + 421 = 21050
Step 51: 21050 + 421 = 21471
Step 52: 21471 + 421 = 21892
Step 53: 21892 + 421 = 22313
Step 54: 22313 + 421 = 22734
Step 55: 22734 + 421 = 23155
Step 56: 23155 + 421 = 23576
Step 57: 23576 + 421 = 23997
Step 58: 23997 + 421 = 24418

So, 421*58 = 24418