Let's get this math done. We have 223 and we're going to multiply it by 72. This is the same as taking 223 and adding it to itself 72 times.
Step 1: 0 + 223 = 223
Step 2: 223 + 223 = 446
Step 3: 446 + 223 = 669
Step 4: 669 + 223 = 892
Step 5: 892 + 223 = 1115
Step 6: 1115 + 223 = 1338
Step 7: 1338 + 223 = 1561
Step 8: 1561 + 223 = 1784
Step 9: 1784 + 223 = 2007
Step 10: 2007 + 223 = 2230
Step 11: 2230 + 223 = 2453
Step 12: 2453 + 223 = 2676
Step 13: 2676 + 223 = 2899
Step 14: 2899 + 223 = 3122
Step 15: 3122 + 223 = 3345
Step 16: 3345 + 223 = 3568
Step 17: 3568 + 223 = 3791
Step 18: 3791 + 223 = 4014
Step 19: 4014 + 223 = 4237
Step 20: 4237 + 223 = 4460
Step 21: 4460 + 223 = 4683
Step 22: 4683 + 223 = 4906
Step 23: 4906 + 223 = 5129
Step 24: 5129 + 223 = 5352
Step 25: 5352 + 223 = 5575
Step 26: 5575 + 223 = 5798
Step 27: 5798 + 223 = 6021
Step 28: 6021 + 223 = 6244
Step 29: 6244 + 223 = 6467
Step 30: 6467 + 223 = 6690
Step 31: 6690 + 223 = 6913
Step 32: 6913 + 223 = 7136
Step 33: 7136 + 223 = 7359
Step 34: 7359 + 223 = 7582
Step 35: 7582 + 223 = 7805
Step 36: 7805 + 223 = 8028
Step 37: 8028 + 223 = 8251
Step 38: 8251 + 223 = 8474
Step 39: 8474 + 223 = 8697
Step 40: 8697 + 223 = 8920
Step 41: 8920 + 223 = 9143
Step 42: 9143 + 223 = 9366
Step 43: 9366 + 223 = 9589
Step 44: 9589 + 223 = 9812
Step 45: 9812 + 223 = 10035
Step 46: 10035 + 223 = 10258
Step 47: 10258 + 223 = 10481
Step 48: 10481 + 223 = 10704
Step 49: 10704 + 223 = 10927
Step 50: 10927 + 223 = 11150
Step 51: 11150 + 223 = 11373
Step 52: 11373 + 223 = 11596
Step 53: 11596 + 223 = 11819
Step 54: 11819 + 223 = 12042
Step 55: 12042 + 223 = 12265
Step 56: 12265 + 223 = 12488
Step 57: 12488 + 223 = 12711
Step 58: 12711 + 223 = 12934
Step 59: 12934 + 223 = 13157
Step 60: 13157 + 223 = 13380
Step 61: 13380 + 223 = 13603
Step 62: 13603 + 223 = 13826
Step 63: 13826 + 223 = 14049
Step 64: 14049 + 223 = 14272
Step 65: 14272 + 223 = 14495
Step 66: 14495 + 223 = 14718
Step 67: 14718 + 223 = 14941
Step 68: 14941 + 223 = 15164
Step 69: 15164 + 223 = 15387
Step 70: 15387 + 223 = 15610
Step 71: 15610 + 223 = 15833
Step 72: 15833 + 223 = 16056

So, 223*72 = 16056