OK, let's crack this. We're given 762 and our task is to multiply it by 49. Essentially, we'll be adding 762 to itself 49 times.
Step 1: 0 + 762 = 762
Step 2: 762 + 762 = 1524
Step 3: 1524 + 762 = 2286
Step 4: 2286 + 762 = 3048
Step 5: 3048 + 762 = 3810
Step 6: 3810 + 762 = 4572
Step 7: 4572 + 762 = 5334
Step 8: 5334 + 762 = 6096
Step 9: 6096 + 762 = 6858
Step 10: 6858 + 762 = 7620
Step 11: 7620 + 762 = 8382
Step 12: 8382 + 762 = 9144
Step 13: 9144 + 762 = 9906
Step 14: 9906 + 762 = 10668
Step 15: 10668 + 762 = 11430
Step 16: 11430 + 762 = 12192
Step 17: 12192 + 762 = 12954
Step 18: 12954 + 762 = 13716
Step 19: 13716 + 762 = 14478
Step 20: 14478 + 762 = 15240
Step 21: 15240 + 762 = 16002
Step 22: 16002 + 762 = 16764
Step 23: 16764 + 762 = 17526
Step 24: 17526 + 762 = 18288
Step 25: 18288 + 762 = 19050
Step 26: 19050 + 762 = 19812
Step 27: 19812 + 762 = 20574
Step 28: 20574 + 762 = 21336
Step 29: 21336 + 762 = 22098
Step 30: 22098 + 762 = 22860
Step 31: 22860 + 762 = 23622
Step 32: 23622 + 762 = 24384
Step 33: 24384 + 762 = 25146
Step 34: 25146 + 762 = 25908
Step 35: 25908 + 762 = 26670
Step 36: 26670 + 762 = 27432
Step 37: 27432 + 762 = 28194
Step 38: 28194 + 762 = 28956
Step 39: 28956 + 762 = 29718
Step 40: 29718 + 762 = 30480
Step 41: 30480 + 762 = 31242
Step 42: 31242 + 762 = 32004
Step 43: 32004 + 762 = 32766
Step 44: 32766 + 762 = 33528
Step 45: 33528 + 762 = 34290
Step 46: 34290 + 762 = 35052
Step 47: 35052 + 762 = 35814
Step 48: 35814 + 762 = 36576
Step 49: 36576 + 762 = 37338

So, 762*49 = 37338