Alright, let's solve this math problem step by step. First, we have the number 638. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 60. So, we're going to take the number 638 and add it to itself 60 times.
Step 1: 0 + 638 = 638
Step 2: 638 + 638 = 1276
Step 3: 1276 + 638 = 1914
Step 4: 1914 + 638 = 2552
Step 5: 2552 + 638 = 3190
Step 6: 3190 + 638 = 3828
Step 7: 3828 + 638 = 4466
Step 8: 4466 + 638 = 5104
Step 9: 5104 + 638 = 5742
Step 10: 5742 + 638 = 6380
Step 11: 6380 + 638 = 7018
Step 12: 7018 + 638 = 7656
Step 13: 7656 + 638 = 8294
Step 14: 8294 + 638 = 8932
Step 15: 8932 + 638 = 9570
Step 16: 9570 + 638 = 10208
Step 17: 10208 + 638 = 10846
Step 18: 10846 + 638 = 11484
Step 19: 11484 + 638 = 12122
Step 20: 12122 + 638 = 12760
Step 21: 12760 + 638 = 13398
Step 22: 13398 + 638 = 14036
Step 23: 14036 + 638 = 14674
Step 24: 14674 + 638 = 15312
Step 25: 15312 + 638 = 15950
Step 26: 15950 + 638 = 16588
Step 27: 16588 + 638 = 17226
Step 28: 17226 + 638 = 17864
Step 29: 17864 + 638 = 18502
Step 30: 18502 + 638 = 19140
Step 31: 19140 + 638 = 19778
Step 32: 19778 + 638 = 20416
Step 33: 20416 + 638 = 21054
Step 34: 21054 + 638 = 21692
Step 35: 21692 + 638 = 22330
Step 36: 22330 + 638 = 22968
Step 37: 22968 + 638 = 23606
Step 38: 23606 + 638 = 24244
Step 39: 24244 + 638 = 24882
Step 40: 24882 + 638 = 25520
Step 41: 25520 + 638 = 26158
Step 42: 26158 + 638 = 26796
Step 43: 26796 + 638 = 27434
Step 44: 27434 + 638 = 28072
Step 45: 28072 + 638 = 28710
Step 46: 28710 + 638 = 29348
Step 47: 29348 + 638 = 29986
Step 48: 29986 + 638 = 30624
Step 49: 30624 + 638 = 31262
Step 50: 31262 + 638 = 31900
Step 51: 31900 + 638 = 32538
Step 52: 32538 + 638 = 33176
Step 53: 33176 + 638 = 33814
Step 54: 33814 + 638 = 34452
Step 55: 34452 + 638 = 35090
Step 56: 35090 + 638 = 35728
Step 57: 35728 + 638 = 36366
Step 58: 36366 + 638 = 37004
Step 59: 37004 + 638 = 37642
Step 60: 37642 + 638 = 38280

So, 638*60 = 38280