Let's roll up our sleeves and solve this. We have 597 and we're going to multiply it by 100, essentially adding 597 to itself 100 times.
Step 1: 0 + 597 = 597
Step 2: 597 + 597 = 1194
Step 3: 1194 + 597 = 1791
Step 4: 1791 + 597 = 2388
Step 5: 2388 + 597 = 2985
Step 6: 2985 + 597 = 3582
Step 7: 3582 + 597 = 4179
Step 8: 4179 + 597 = 4776
Step 9: 4776 + 597 = 5373
Step 10: 5373 + 597 = 5970
Step 11: 5970 + 597 = 6567
Step 12: 6567 + 597 = 7164
Step 13: 7164 + 597 = 7761
Step 14: 7761 + 597 = 8358
Step 15: 8358 + 597 = 8955
Step 16: 8955 + 597 = 9552
Step 17: 9552 + 597 = 10149
Step 18: 10149 + 597 = 10746
Step 19: 10746 + 597 = 11343
Step 20: 11343 + 597 = 11940
Step 21: 11940 + 597 = 12537
Step 22: 12537 + 597 = 13134
Step 23: 13134 + 597 = 13731
Step 24: 13731 + 597 = 14328
Step 25: 14328 + 597 = 14925
Step 26: 14925 + 597 = 15522
Step 27: 15522 + 597 = 16119
Step 28: 16119 + 597 = 16716
Step 29: 16716 + 597 = 17313
Step 30: 17313 + 597 = 17910
Step 31: 17910 + 597 = 18507
Step 32: 18507 + 597 = 19104
Step 33: 19104 + 597 = 19701
Step 34: 19701 + 597 = 20298
Step 35: 20298 + 597 = 20895
Step 36: 20895 + 597 = 21492
Step 37: 21492 + 597 = 22089
Step 38: 22089 + 597 = 22686
Step 39: 22686 + 597 = 23283
Step 40: 23283 + 597 = 23880
Step 41: 23880 + 597 = 24477
Step 42: 24477 + 597 = 25074
Step 43: 25074 + 597 = 25671
Step 44: 25671 + 597 = 26268
Step 45: 26268 + 597 = 26865
Step 46: 26865 + 597 = 27462
Step 47: 27462 + 597 = 28059
Step 48: 28059 + 597 = 28656
Step 49: 28656 + 597 = 29253
Step 50: 29253 + 597 = 29850
Step 51: 29850 + 597 = 30447
Step 52: 30447 + 597 = 31044
Step 53: 31044 + 597 = 31641
Step 54: 31641 + 597 = 32238
Step 55: 32238 + 597 = 32835
Step 56: 32835 + 597 = 33432
Step 57: 33432 + 597 = 34029
Step 58: 34029 + 597 = 34626
Step 59: 34626 + 597 = 35223
Step 60: 35223 + 597 = 35820
Step 61: 35820 + 597 = 36417
Step 62: 36417 + 597 = 37014
Step 63: 37014 + 597 = 37611
Step 64: 37611 + 597 = 38208
Step 65: 38208 + 597 = 38805
Step 66: 38805 + 597 = 39402
Step 67: 39402 + 597 = 39999
Step 68: 39999 + 597 = 40596
Step 69: 40596 + 597 = 41193
Step 70: 41193 + 597 = 41790
Step 71: 41790 + 597 = 42387
Step 72: 42387 + 597 = 42984
Step 73: 42984 + 597 = 43581
Step 74: 43581 + 597 = 44178
Step 75: 44178 + 597 = 44775
Step 76: 44775 + 597 = 45372
Step 77: 45372 + 597 = 45969
Step 78: 45969 + 597 = 46566
Step 79: 46566 + 597 = 47163
Step 80: 47163 + 597 = 47760
Step 81: 47760 + 597 = 48357
Step 82: 48357 + 597 = 48954
Step 83: 48954 + 597 = 49551
Step 84: 49551 + 597 = 50148
Step 85: 50148 + 597 = 50745
Step 86: 50745 + 597 = 51342
Step 87: 51342 + 597 = 51939
Step 88: 51939 + 597 = 52536
Step 89: 52536 + 597 = 53133
Step 90: 53133 + 597 = 53730
Step 91: 53730 + 597 = 54327
Step 92: 54327 + 597 = 54924
Step 93: 54924 + 597 = 55521
Step 94: 55521 + 597 = 56118
Step 95: 56118 + 597 = 56715
Step 96: 56715 + 597 = 57312
Step 97: 57312 + 597 = 57909
Step 98: 57909 + 597 = 58506
Step 99: 58506 + 597 = 59103
Step 100: 59103 + 597 = 59700

So, 597*100 = 59700