Without delay, let's solve this. We've got 502 and we will be multiplying it by 52, that is, adding 502 to itself 52 times.
Step 1: 0 + 502 = 502
Step 2: 502 + 502 = 1004
Step 3: 1004 + 502 = 1506
Step 4: 1506 + 502 = 2008
Step 5: 2008 + 502 = 2510
Step 6: 2510 + 502 = 3012
Step 7: 3012 + 502 = 3514
Step 8: 3514 + 502 = 4016
Step 9: 4016 + 502 = 4518
Step 10: 4518 + 502 = 5020
Step 11: 5020 + 502 = 5522
Step 12: 5522 + 502 = 6024
Step 13: 6024 + 502 = 6526
Step 14: 6526 + 502 = 7028
Step 15: 7028 + 502 = 7530
Step 16: 7530 + 502 = 8032
Step 17: 8032 + 502 = 8534
Step 18: 8534 + 502 = 9036
Step 19: 9036 + 502 = 9538
Step 20: 9538 + 502 = 10040
Step 21: 10040 + 502 = 10542
Step 22: 10542 + 502 = 11044
Step 23: 11044 + 502 = 11546
Step 24: 11546 + 502 = 12048
Step 25: 12048 + 502 = 12550
Step 26: 12550 + 502 = 13052
Step 27: 13052 + 502 = 13554
Step 28: 13554 + 502 = 14056
Step 29: 14056 + 502 = 14558
Step 30: 14558 + 502 = 15060
Step 31: 15060 + 502 = 15562
Step 32: 15562 + 502 = 16064
Step 33: 16064 + 502 = 16566
Step 34: 16566 + 502 = 17068
Step 35: 17068 + 502 = 17570
Step 36: 17570 + 502 = 18072
Step 37: 18072 + 502 = 18574
Step 38: 18574 + 502 = 19076
Step 39: 19076 + 502 = 19578
Step 40: 19578 + 502 = 20080
Step 41: 20080 + 502 = 20582
Step 42: 20582 + 502 = 21084
Step 43: 21084 + 502 = 21586
Step 44: 21586 + 502 = 22088
Step 45: 22088 + 502 = 22590
Step 46: 22590 + 502 = 23092
Step 47: 23092 + 502 = 23594
Step 48: 23594 + 502 = 24096
Step 49: 24096 + 502 = 24598
Step 50: 24598 + 502 = 25100
Step 51: 25100 + 502 = 25602
Step 52: 25602 + 502 = 26104

So, 502*52 = 26104