Alright, let's solve this math problem step by step. First, we have the number 624. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 100. So, we're going to take the number 624 and add it to itself 100 times.
Step 1: 0 + 624 = 624
Step 2: 624 + 624 = 1248
Step 3: 1248 + 624 = 1872
Step 4: 1872 + 624 = 2496
Step 5: 2496 + 624 = 3120
Step 6: 3120 + 624 = 3744
Step 7: 3744 + 624 = 4368
Step 8: 4368 + 624 = 4992
Step 9: 4992 + 624 = 5616
Step 10: 5616 + 624 = 6240
Step 11: 6240 + 624 = 6864
Step 12: 6864 + 624 = 7488
Step 13: 7488 + 624 = 8112
Step 14: 8112 + 624 = 8736
Step 15: 8736 + 624 = 9360
Step 16: 9360 + 624 = 9984
Step 17: 9984 + 624 = 10608
Step 18: 10608 + 624 = 11232
Step 19: 11232 + 624 = 11856
Step 20: 11856 + 624 = 12480
Step 21: 12480 + 624 = 13104
Step 22: 13104 + 624 = 13728
Step 23: 13728 + 624 = 14352
Step 24: 14352 + 624 = 14976
Step 25: 14976 + 624 = 15600
Step 26: 15600 + 624 = 16224
Step 27: 16224 + 624 = 16848
Step 28: 16848 + 624 = 17472
Step 29: 17472 + 624 = 18096
Step 30: 18096 + 624 = 18720
Step 31: 18720 + 624 = 19344
Step 32: 19344 + 624 = 19968
Step 33: 19968 + 624 = 20592
Step 34: 20592 + 624 = 21216
Step 35: 21216 + 624 = 21840
Step 36: 21840 + 624 = 22464
Step 37: 22464 + 624 = 23088
Step 38: 23088 + 624 = 23712
Step 39: 23712 + 624 = 24336
Step 40: 24336 + 624 = 24960
Step 41: 24960 + 624 = 25584
Step 42: 25584 + 624 = 26208
Step 43: 26208 + 624 = 26832
Step 44: 26832 + 624 = 27456
Step 45: 27456 + 624 = 28080
Step 46: 28080 + 624 = 28704
Step 47: 28704 + 624 = 29328
Step 48: 29328 + 624 = 29952
Step 49: 29952 + 624 = 30576
Step 50: 30576 + 624 = 31200
Step 51: 31200 + 624 = 31824
Step 52: 31824 + 624 = 32448
Step 53: 32448 + 624 = 33072
Step 54: 33072 + 624 = 33696
Step 55: 33696 + 624 = 34320
Step 56: 34320 + 624 = 34944
Step 57: 34944 + 624 = 35568
Step 58: 35568 + 624 = 36192
Step 59: 36192 + 624 = 36816
Step 60: 36816 + 624 = 37440
Step 61: 37440 + 624 = 38064
Step 62: 38064 + 624 = 38688
Step 63: 38688 + 624 = 39312
Step 64: 39312 + 624 = 39936
Step 65: 39936 + 624 = 40560
Step 66: 40560 + 624 = 41184
Step 67: 41184 + 624 = 41808
Step 68: 41808 + 624 = 42432
Step 69: 42432 + 624 = 43056
Step 70: 43056 + 624 = 43680
Step 71: 43680 + 624 = 44304
Step 72: 44304 + 624 = 44928
Step 73: 44928 + 624 = 45552
Step 74: 45552 + 624 = 46176
Step 75: 46176 + 624 = 46800
Step 76: 46800 + 624 = 47424
Step 77: 47424 + 624 = 48048
Step 78: 48048 + 624 = 48672
Step 79: 48672 + 624 = 49296
Step 80: 49296 + 624 = 49920
Step 81: 49920 + 624 = 50544
Step 82: 50544 + 624 = 51168
Step 83: 51168 + 624 = 51792
Step 84: 51792 + 624 = 52416
Step 85: 52416 + 624 = 53040
Step 86: 53040 + 624 = 53664
Step 87: 53664 + 624 = 54288
Step 88: 54288 + 624 = 54912
Step 89: 54912 + 624 = 55536
Step 90: 55536 + 624 = 56160
Step 91: 56160 + 624 = 56784
Step 92: 56784 + 624 = 57408
Step 93: 57408 + 624 = 58032
Step 94: 58032 + 624 = 58656
Step 95: 58656 + 624 = 59280
Step 96: 59280 + 624 = 59904
Step 97: 59904 + 624 = 60528
Step 98: 60528 + 624 = 61152
Step 99: 61152 + 624 = 61776
Step 100: 61776 + 624 = 62400

So, 624*100 = 62400