Alright, let's solve this math problem step by step. First, we have the number 115. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 72. So, we're going to take the number 115 and add it to itself 72 times.
Step 1: 0 + 115 = 115
Step 2: 115 + 115 = 230
Step 3: 230 + 115 = 345
Step 4: 345 + 115 = 460
Step 5: 460 + 115 = 575
Step 6: 575 + 115 = 690
Step 7: 690 + 115 = 805
Step 8: 805 + 115 = 920
Step 9: 920 + 115 = 1035
Step 10: 1035 + 115 = 1150
Step 11: 1150 + 115 = 1265
Step 12: 1265 + 115 = 1380
Step 13: 1380 + 115 = 1495
Step 14: 1495 + 115 = 1610
Step 15: 1610 + 115 = 1725
Step 16: 1725 + 115 = 1840
Step 17: 1840 + 115 = 1955
Step 18: 1955 + 115 = 2070
Step 19: 2070 + 115 = 2185
Step 20: 2185 + 115 = 2300
Step 21: 2300 + 115 = 2415
Step 22: 2415 + 115 = 2530
Step 23: 2530 + 115 = 2645
Step 24: 2645 + 115 = 2760
Step 25: 2760 + 115 = 2875
Step 26: 2875 + 115 = 2990
Step 27: 2990 + 115 = 3105
Step 28: 3105 + 115 = 3220
Step 29: 3220 + 115 = 3335
Step 30: 3335 + 115 = 3450
Step 31: 3450 + 115 = 3565
Step 32: 3565 + 115 = 3680
Step 33: 3680 + 115 = 3795
Step 34: 3795 + 115 = 3910
Step 35: 3910 + 115 = 4025
Step 36: 4025 + 115 = 4140
Step 37: 4140 + 115 = 4255
Step 38: 4255 + 115 = 4370
Step 39: 4370 + 115 = 4485
Step 40: 4485 + 115 = 4600
Step 41: 4600 + 115 = 4715
Step 42: 4715 + 115 = 4830
Step 43: 4830 + 115 = 4945
Step 44: 4945 + 115 = 5060
Step 45: 5060 + 115 = 5175
Step 46: 5175 + 115 = 5290
Step 47: 5290 + 115 = 5405
Step 48: 5405 + 115 = 5520
Step 49: 5520 + 115 = 5635
Step 50: 5635 + 115 = 5750
Step 51: 5750 + 115 = 5865
Step 52: 5865 + 115 = 5980
Step 53: 5980 + 115 = 6095
Step 54: 6095 + 115 = 6210
Step 55: 6210 + 115 = 6325
Step 56: 6325 + 115 = 6440
Step 57: 6440 + 115 = 6555
Step 58: 6555 + 115 = 6670
Step 59: 6670 + 115 = 6785
Step 60: 6785 + 115 = 6900
Step 61: 6900 + 115 = 7015
Step 62: 7015 + 115 = 7130
Step 63: 7130 + 115 = 7245
Step 64: 7245 + 115 = 7360
Step 65: 7360 + 115 = 7475
Step 66: 7475 + 115 = 7590
Step 67: 7590 + 115 = 7705
Step 68: 7705 + 115 = 7820
Step 69: 7820 + 115 = 7935
Step 70: 7935 + 115 = 8050
Step 71: 8050 + 115 = 8165
Step 72: 8165 + 115 = 8280

So, 115*72 = 8280