Without delay, let's solve this. We've got 633 and we will be multiplying it by 51, that is, adding 633 to itself 51 times.
Step 1: 0 + 633 = 633
Step 2: 633 + 633 = 1266
Step 3: 1266 + 633 = 1899
Step 4: 1899 + 633 = 2532
Step 5: 2532 + 633 = 3165
Step 6: 3165 + 633 = 3798
Step 7: 3798 + 633 = 4431
Step 8: 4431 + 633 = 5064
Step 9: 5064 + 633 = 5697
Step 10: 5697 + 633 = 6330
Step 11: 6330 + 633 = 6963
Step 12: 6963 + 633 = 7596
Step 13: 7596 + 633 = 8229
Step 14: 8229 + 633 = 8862
Step 15: 8862 + 633 = 9495
Step 16: 9495 + 633 = 10128
Step 17: 10128 + 633 = 10761
Step 18: 10761 + 633 = 11394
Step 19: 11394 + 633 = 12027
Step 20: 12027 + 633 = 12660
Step 21: 12660 + 633 = 13293
Step 22: 13293 + 633 = 13926
Step 23: 13926 + 633 = 14559
Step 24: 14559 + 633 = 15192
Step 25: 15192 + 633 = 15825
Step 26: 15825 + 633 = 16458
Step 27: 16458 + 633 = 17091
Step 28: 17091 + 633 = 17724
Step 29: 17724 + 633 = 18357
Step 30: 18357 + 633 = 18990
Step 31: 18990 + 633 = 19623
Step 32: 19623 + 633 = 20256
Step 33: 20256 + 633 = 20889
Step 34: 20889 + 633 = 21522
Step 35: 21522 + 633 = 22155
Step 36: 22155 + 633 = 22788
Step 37: 22788 + 633 = 23421
Step 38: 23421 + 633 = 24054
Step 39: 24054 + 633 = 24687
Step 40: 24687 + 633 = 25320
Step 41: 25320 + 633 = 25953
Step 42: 25953 + 633 = 26586
Step 43: 26586 + 633 = 27219
Step 44: 27219 + 633 = 27852
Step 45: 27852 + 633 = 28485
Step 46: 28485 + 633 = 29118
Step 47: 29118 + 633 = 29751
Step 48: 29751 + 633 = 30384
Step 49: 30384 + 633 = 31017
Step 50: 31017 + 633 = 31650
Step 51: 31650 + 633 = 32283

So, 633*51 = 32283