Without delay, let's solve this. We've got 838 and we will be multiplying it by 64, that is, adding 838 to itself 64 times.
Step 1: 0 + 838 = 838
Step 2: 838 + 838 = 1676
Step 3: 1676 + 838 = 2514
Step 4: 2514 + 838 = 3352
Step 5: 3352 + 838 = 4190
Step 6: 4190 + 838 = 5028
Step 7: 5028 + 838 = 5866
Step 8: 5866 + 838 = 6704
Step 9: 6704 + 838 = 7542
Step 10: 7542 + 838 = 8380
Step 11: 8380 + 838 = 9218
Step 12: 9218 + 838 = 10056
Step 13: 10056 + 838 = 10894
Step 14: 10894 + 838 = 11732
Step 15: 11732 + 838 = 12570
Step 16: 12570 + 838 = 13408
Step 17: 13408 + 838 = 14246
Step 18: 14246 + 838 = 15084
Step 19: 15084 + 838 = 15922
Step 20: 15922 + 838 = 16760
Step 21: 16760 + 838 = 17598
Step 22: 17598 + 838 = 18436
Step 23: 18436 + 838 = 19274
Step 24: 19274 + 838 = 20112
Step 25: 20112 + 838 = 20950
Step 26: 20950 + 838 = 21788
Step 27: 21788 + 838 = 22626
Step 28: 22626 + 838 = 23464
Step 29: 23464 + 838 = 24302
Step 30: 24302 + 838 = 25140
Step 31: 25140 + 838 = 25978
Step 32: 25978 + 838 = 26816
Step 33: 26816 + 838 = 27654
Step 34: 27654 + 838 = 28492
Step 35: 28492 + 838 = 29330
Step 36: 29330 + 838 = 30168
Step 37: 30168 + 838 = 31006
Step 38: 31006 + 838 = 31844
Step 39: 31844 + 838 = 32682
Step 40: 32682 + 838 = 33520
Step 41: 33520 + 838 = 34358
Step 42: 34358 + 838 = 35196
Step 43: 35196 + 838 = 36034
Step 44: 36034 + 838 = 36872
Step 45: 36872 + 838 = 37710
Step 46: 37710 + 838 = 38548
Step 47: 38548 + 838 = 39386
Step 48: 39386 + 838 = 40224
Step 49: 40224 + 838 = 41062
Step 50: 41062 + 838 = 41900
Step 51: 41900 + 838 = 42738
Step 52: 42738 + 838 = 43576
Step 53: 43576 + 838 = 44414
Step 54: 44414 + 838 = 45252
Step 55: 45252 + 838 = 46090
Step 56: 46090 + 838 = 46928
Step 57: 46928 + 838 = 47766
Step 58: 47766 + 838 = 48604
Step 59: 48604 + 838 = 49442
Step 60: 49442 + 838 = 50280
Step 61: 50280 + 838 = 51118
Step 62: 51118 + 838 = 51956
Step 63: 51956 + 838 = 52794
Step 64: 52794 + 838 = 53632

So, 838*64 = 53632