Alright, let's solve this math problem step by step. First, we have the number 742. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 57. So, we're going to take the number 742 and add it to itself 57 times.
Step 1: 0 + 742 = 742
Step 2: 742 + 742 = 1484
Step 3: 1484 + 742 = 2226
Step 4: 2226 + 742 = 2968
Step 5: 2968 + 742 = 3710
Step 6: 3710 + 742 = 4452
Step 7: 4452 + 742 = 5194
Step 8: 5194 + 742 = 5936
Step 9: 5936 + 742 = 6678
Step 10: 6678 + 742 = 7420
Step 11: 7420 + 742 = 8162
Step 12: 8162 + 742 = 8904
Step 13: 8904 + 742 = 9646
Step 14: 9646 + 742 = 10388
Step 15: 10388 + 742 = 11130
Step 16: 11130 + 742 = 11872
Step 17: 11872 + 742 = 12614
Step 18: 12614 + 742 = 13356
Step 19: 13356 + 742 = 14098
Step 20: 14098 + 742 = 14840
Step 21: 14840 + 742 = 15582
Step 22: 15582 + 742 = 16324
Step 23: 16324 + 742 = 17066
Step 24: 17066 + 742 = 17808
Step 25: 17808 + 742 = 18550
Step 26: 18550 + 742 = 19292
Step 27: 19292 + 742 = 20034
Step 28: 20034 + 742 = 20776
Step 29: 20776 + 742 = 21518
Step 30: 21518 + 742 = 22260
Step 31: 22260 + 742 = 23002
Step 32: 23002 + 742 = 23744
Step 33: 23744 + 742 = 24486
Step 34: 24486 + 742 = 25228
Step 35: 25228 + 742 = 25970
Step 36: 25970 + 742 = 26712
Step 37: 26712 + 742 = 27454
Step 38: 27454 + 742 = 28196
Step 39: 28196 + 742 = 28938
Step 40: 28938 + 742 = 29680
Step 41: 29680 + 742 = 30422
Step 42: 30422 + 742 = 31164
Step 43: 31164 + 742 = 31906
Step 44: 31906 + 742 = 32648
Step 45: 32648 + 742 = 33390
Step 46: 33390 + 742 = 34132
Step 47: 34132 + 742 = 34874
Step 48: 34874 + 742 = 35616
Step 49: 35616 + 742 = 36358
Step 50: 36358 + 742 = 37100
Step 51: 37100 + 742 = 37842
Step 52: 37842 + 742 = 38584
Step 53: 38584 + 742 = 39326
Step 54: 39326 + 742 = 40068
Step 55: 40068 + 742 = 40810
Step 56: 40810 + 742 = 41552
Step 57: 41552 + 742 = 42294

So, 742*57 = 42294