Let's get this math done. We have 79 and we're going to multiply it by 72. This is the same as taking 79 and adding it to itself 72 times.
Step 1: 0 + 79 = 79
Step 2: 79 + 79 = 158
Step 3: 158 + 79 = 237
Step 4: 237 + 79 = 316
Step 5: 316 + 79 = 395
Step 6: 395 + 79 = 474
Step 7: 474 + 79 = 553
Step 8: 553 + 79 = 632
Step 9: 632 + 79 = 711
Step 10: 711 + 79 = 790
Step 11: 790 + 79 = 869
Step 12: 869 + 79 = 948
Step 13: 948 + 79 = 1027
Step 14: 1027 + 79 = 1106
Step 15: 1106 + 79 = 1185
Step 16: 1185 + 79 = 1264
Step 17: 1264 + 79 = 1343
Step 18: 1343 + 79 = 1422
Step 19: 1422 + 79 = 1501
Step 20: 1501 + 79 = 1580
Step 21: 1580 + 79 = 1659
Step 22: 1659 + 79 = 1738
Step 23: 1738 + 79 = 1817
Step 24: 1817 + 79 = 1896
Step 25: 1896 + 79 = 1975
Step 26: 1975 + 79 = 2054
Step 27: 2054 + 79 = 2133
Step 28: 2133 + 79 = 2212
Step 29: 2212 + 79 = 2291
Step 30: 2291 + 79 = 2370
Step 31: 2370 + 79 = 2449
Step 32: 2449 + 79 = 2528
Step 33: 2528 + 79 = 2607
Step 34: 2607 + 79 = 2686
Step 35: 2686 + 79 = 2765
Step 36: 2765 + 79 = 2844
Step 37: 2844 + 79 = 2923
Step 38: 2923 + 79 = 3002
Step 39: 3002 + 79 = 3081
Step 40: 3081 + 79 = 3160
Step 41: 3160 + 79 = 3239
Step 42: 3239 + 79 = 3318
Step 43: 3318 + 79 = 3397
Step 44: 3397 + 79 = 3476
Step 45: 3476 + 79 = 3555
Step 46: 3555 + 79 = 3634
Step 47: 3634 + 79 = 3713
Step 48: 3713 + 79 = 3792
Step 49: 3792 + 79 = 3871
Step 50: 3871 + 79 = 3950
Step 51: 3950 + 79 = 4029
Step 52: 4029 + 79 = 4108
Step 53: 4108 + 79 = 4187
Step 54: 4187 + 79 = 4266
Step 55: 4266 + 79 = 4345
Step 56: 4345 + 79 = 4424
Step 57: 4424 + 79 = 4503
Step 58: 4503 + 79 = 4582
Step 59: 4582 + 79 = 4661
Step 60: 4661 + 79 = 4740
Step 61: 4740 + 79 = 4819
Step 62: 4819 + 79 = 4898
Step 63: 4898 + 79 = 4977
Step 64: 4977 + 79 = 5056
Step 65: 5056 + 79 = 5135
Step 66: 5135 + 79 = 5214
Step 67: 5214 + 79 = 5293
Step 68: 5293 + 79 = 5372
Step 69: 5372 + 79 = 5451
Step 70: 5451 + 79 = 5530
Step 71: 5530 + 79 = 5609
Step 72: 5609 + 79 = 5688

So, 79*72 = 5688