OK, let's crack this. We're given 933 and our task is to multiply it by 40. Essentially, we'll be adding 933 to itself 40 times.
Step 1: 0 + 933 = 933
Step 2: 933 + 933 = 1866
Step 3: 1866 + 933 = 2799
Step 4: 2799 + 933 = 3732
Step 5: 3732 + 933 = 4665
Step 6: 4665 + 933 = 5598
Step 7: 5598 + 933 = 6531
Step 8: 6531 + 933 = 7464
Step 9: 7464 + 933 = 8397
Step 10: 8397 + 933 = 9330
Step 11: 9330 + 933 = 10263
Step 12: 10263 + 933 = 11196
Step 13: 11196 + 933 = 12129
Step 14: 12129 + 933 = 13062
Step 15: 13062 + 933 = 13995
Step 16: 13995 + 933 = 14928
Step 17: 14928 + 933 = 15861
Step 18: 15861 + 933 = 16794
Step 19: 16794 + 933 = 17727
Step 20: 17727 + 933 = 18660
Step 21: 18660 + 933 = 19593
Step 22: 19593 + 933 = 20526
Step 23: 20526 + 933 = 21459
Step 24: 21459 + 933 = 22392
Step 25: 22392 + 933 = 23325
Step 26: 23325 + 933 = 24258
Step 27: 24258 + 933 = 25191
Step 28: 25191 + 933 = 26124
Step 29: 26124 + 933 = 27057
Step 30: 27057 + 933 = 27990
Step 31: 27990 + 933 = 28923
Step 32: 28923 + 933 = 29856
Step 33: 29856 + 933 = 30789
Step 34: 30789 + 933 = 31722
Step 35: 31722 + 933 = 32655
Step 36: 32655 + 933 = 33588
Step 37: 33588 + 933 = 34521
Step 38: 34521 + 933 = 35454
Step 39: 35454 + 933 = 36387
Step 40: 36387 + 933 = 37320

So, 933*40 = 37320