OK, let's crack this. We're given 734 and our task is to multiply it by 58. Essentially, we'll be adding 734 to itself 58 times.
Step 1: 0 + 734 = 734
Step 2: 734 + 734 = 1468
Step 3: 1468 + 734 = 2202
Step 4: 2202 + 734 = 2936
Step 5: 2936 + 734 = 3670
Step 6: 3670 + 734 = 4404
Step 7: 4404 + 734 = 5138
Step 8: 5138 + 734 = 5872
Step 9: 5872 + 734 = 6606
Step 10: 6606 + 734 = 7340
Step 11: 7340 + 734 = 8074
Step 12: 8074 + 734 = 8808
Step 13: 8808 + 734 = 9542
Step 14: 9542 + 734 = 10276
Step 15: 10276 + 734 = 11010
Step 16: 11010 + 734 = 11744
Step 17: 11744 + 734 = 12478
Step 18: 12478 + 734 = 13212
Step 19: 13212 + 734 = 13946
Step 20: 13946 + 734 = 14680
Step 21: 14680 + 734 = 15414
Step 22: 15414 + 734 = 16148
Step 23: 16148 + 734 = 16882
Step 24: 16882 + 734 = 17616
Step 25: 17616 + 734 = 18350
Step 26: 18350 + 734 = 19084
Step 27: 19084 + 734 = 19818
Step 28: 19818 + 734 = 20552
Step 29: 20552 + 734 = 21286
Step 30: 21286 + 734 = 22020
Step 31: 22020 + 734 = 22754
Step 32: 22754 + 734 = 23488
Step 33: 23488 + 734 = 24222
Step 34: 24222 + 734 = 24956
Step 35: 24956 + 734 = 25690
Step 36: 25690 + 734 = 26424
Step 37: 26424 + 734 = 27158
Step 38: 27158 + 734 = 27892
Step 39: 27892 + 734 = 28626
Step 40: 28626 + 734 = 29360
Step 41: 29360 + 734 = 30094
Step 42: 30094 + 734 = 30828
Step 43: 30828 + 734 = 31562
Step 44: 31562 + 734 = 32296
Step 45: 32296 + 734 = 33030
Step 46: 33030 + 734 = 33764
Step 47: 33764 + 734 = 34498
Step 48: 34498 + 734 = 35232
Step 49: 35232 + 734 = 35966
Step 50: 35966 + 734 = 36700
Step 51: 36700 + 734 = 37434
Step 52: 37434 + 734 = 38168
Step 53: 38168 + 734 = 38902
Step 54: 38902 + 734 = 39636
Step 55: 39636 + 734 = 40370
Step 56: 40370 + 734 = 41104
Step 57: 41104 + 734 = 41838
Step 58: 41838 + 734 = 42572

So, 734*58 = 42572