Let's get this math done. We have 653 and we're going to multiply it by 51. This is the same as taking 653 and adding it to itself 51 times.
Step 1: 0 + 653 = 653
Step 2: 653 + 653 = 1306
Step 3: 1306 + 653 = 1959
Step 4: 1959 + 653 = 2612
Step 5: 2612 + 653 = 3265
Step 6: 3265 + 653 = 3918
Step 7: 3918 + 653 = 4571
Step 8: 4571 + 653 = 5224
Step 9: 5224 + 653 = 5877
Step 10: 5877 + 653 = 6530
Step 11: 6530 + 653 = 7183
Step 12: 7183 + 653 = 7836
Step 13: 7836 + 653 = 8489
Step 14: 8489 + 653 = 9142
Step 15: 9142 + 653 = 9795
Step 16: 9795 + 653 = 10448
Step 17: 10448 + 653 = 11101
Step 18: 11101 + 653 = 11754
Step 19: 11754 + 653 = 12407
Step 20: 12407 + 653 = 13060
Step 21: 13060 + 653 = 13713
Step 22: 13713 + 653 = 14366
Step 23: 14366 + 653 = 15019
Step 24: 15019 + 653 = 15672
Step 25: 15672 + 653 = 16325
Step 26: 16325 + 653 = 16978
Step 27: 16978 + 653 = 17631
Step 28: 17631 + 653 = 18284
Step 29: 18284 + 653 = 18937
Step 30: 18937 + 653 = 19590
Step 31: 19590 + 653 = 20243
Step 32: 20243 + 653 = 20896
Step 33: 20896 + 653 = 21549
Step 34: 21549 + 653 = 22202
Step 35: 22202 + 653 = 22855
Step 36: 22855 + 653 = 23508
Step 37: 23508 + 653 = 24161
Step 38: 24161 + 653 = 24814
Step 39: 24814 + 653 = 25467
Step 40: 25467 + 653 = 26120
Step 41: 26120 + 653 = 26773
Step 42: 26773 + 653 = 27426
Step 43: 27426 + 653 = 28079
Step 44: 28079 + 653 = 28732
Step 45: 28732 + 653 = 29385
Step 46: 29385 + 653 = 30038
Step 47: 30038 + 653 = 30691
Step 48: 30691 + 653 = 31344
Step 49: 31344 + 653 = 31997
Step 50: 31997 + 653 = 32650
Step 51: 32650 + 653 = 33303

So, 653*51 = 33303