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 97. So, we're going to take the number 638 and add it to itself 97 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
Step 61: 38280 + 638 = 38918
Step 62: 38918 + 638 = 39556
Step 63: 39556 + 638 = 40194
Step 64: 40194 + 638 = 40832
Step 65: 40832 + 638 = 41470
Step 66: 41470 + 638 = 42108
Step 67: 42108 + 638 = 42746
Step 68: 42746 + 638 = 43384
Step 69: 43384 + 638 = 44022
Step 70: 44022 + 638 = 44660
Step 71: 44660 + 638 = 45298
Step 72: 45298 + 638 = 45936
Step 73: 45936 + 638 = 46574
Step 74: 46574 + 638 = 47212
Step 75: 47212 + 638 = 47850
Step 76: 47850 + 638 = 48488
Step 77: 48488 + 638 = 49126
Step 78: 49126 + 638 = 49764
Step 79: 49764 + 638 = 50402
Step 80: 50402 + 638 = 51040
Step 81: 51040 + 638 = 51678
Step 82: 51678 + 638 = 52316
Step 83: 52316 + 638 = 52954
Step 84: 52954 + 638 = 53592
Step 85: 53592 + 638 = 54230
Step 86: 54230 + 638 = 54868
Step 87: 54868 + 638 = 55506
Step 88: 55506 + 638 = 56144
Step 89: 56144 + 638 = 56782
Step 90: 56782 + 638 = 57420
Step 91: 57420 + 638 = 58058
Step 92: 58058 + 638 = 58696
Step 93: 58696 + 638 = 59334
Step 94: 59334 + 638 = 59972
Step 95: 59972 + 638 = 60610
Step 96: 60610 + 638 = 61248
Step 97: 61248 + 638 = 61886

So, 638*97 = 61886