Sure thing! We've got 742 and we're gonna multiply it by 54. That's the same as adding 742 to itself 54 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

So, 742*54 = 40068