Let's roll up our sleeves and solve this. We have 458 and we're going to multiply it by 73, essentially adding 458 to itself 73 times.
Step 1: 0 + 458 = 458
Step 2: 458 + 458 = 916
Step 3: 916 + 458 = 1374
Step 4: 1374 + 458 = 1832
Step 5: 1832 + 458 = 2290
Step 6: 2290 + 458 = 2748
Step 7: 2748 + 458 = 3206
Step 8: 3206 + 458 = 3664
Step 9: 3664 + 458 = 4122
Step 10: 4122 + 458 = 4580
Step 11: 4580 + 458 = 5038
Step 12: 5038 + 458 = 5496
Step 13: 5496 + 458 = 5954
Step 14: 5954 + 458 = 6412
Step 15: 6412 + 458 = 6870
Step 16: 6870 + 458 = 7328
Step 17: 7328 + 458 = 7786
Step 18: 7786 + 458 = 8244
Step 19: 8244 + 458 = 8702
Step 20: 8702 + 458 = 9160
Step 21: 9160 + 458 = 9618
Step 22: 9618 + 458 = 10076
Step 23: 10076 + 458 = 10534
Step 24: 10534 + 458 = 10992
Step 25: 10992 + 458 = 11450
Step 26: 11450 + 458 = 11908
Step 27: 11908 + 458 = 12366
Step 28: 12366 + 458 = 12824
Step 29: 12824 + 458 = 13282
Step 30: 13282 + 458 = 13740
Step 31: 13740 + 458 = 14198
Step 32: 14198 + 458 = 14656
Step 33: 14656 + 458 = 15114
Step 34: 15114 + 458 = 15572
Step 35: 15572 + 458 = 16030
Step 36: 16030 + 458 = 16488
Step 37: 16488 + 458 = 16946
Step 38: 16946 + 458 = 17404
Step 39: 17404 + 458 = 17862
Step 40: 17862 + 458 = 18320
Step 41: 18320 + 458 = 18778
Step 42: 18778 + 458 = 19236
Step 43: 19236 + 458 = 19694
Step 44: 19694 + 458 = 20152
Step 45: 20152 + 458 = 20610
Step 46: 20610 + 458 = 21068
Step 47: 21068 + 458 = 21526
Step 48: 21526 + 458 = 21984
Step 49: 21984 + 458 = 22442
Step 50: 22442 + 458 = 22900
Step 51: 22900 + 458 = 23358
Step 52: 23358 + 458 = 23816
Step 53: 23816 + 458 = 24274
Step 54: 24274 + 458 = 24732
Step 55: 24732 + 458 = 25190
Step 56: 25190 + 458 = 25648
Step 57: 25648 + 458 = 26106
Step 58: 26106 + 458 = 26564
Step 59: 26564 + 458 = 27022
Step 60: 27022 + 458 = 27480
Step 61: 27480 + 458 = 27938
Step 62: 27938 + 458 = 28396
Step 63: 28396 + 458 = 28854
Step 64: 28854 + 458 = 29312
Step 65: 29312 + 458 = 29770
Step 66: 29770 + 458 = 30228
Step 67: 30228 + 458 = 30686
Step 68: 30686 + 458 = 31144
Step 69: 31144 + 458 = 31602
Step 70: 31602 + 458 = 32060
Step 71: 32060 + 458 = 32518
Step 72: 32518 + 458 = 32976
Step 73: 32976 + 458 = 33434

So, 458*73 = 33434