Let's roll up our sleeves and solve this. We have 115 and we're going to multiply it by 118, essentially adding 115 to itself 118 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
Step 73: 8280 + 115 = 8395
Step 74: 8395 + 115 = 8510
Step 75: 8510 + 115 = 8625
Step 76: 8625 + 115 = 8740
Step 77: 8740 + 115 = 8855
Step 78: 8855 + 115 = 8970
Step 79: 8970 + 115 = 9085
Step 80: 9085 + 115 = 9200
Step 81: 9200 + 115 = 9315
Step 82: 9315 + 115 = 9430
Step 83: 9430 + 115 = 9545
Step 84: 9545 + 115 = 9660
Step 85: 9660 + 115 = 9775
Step 86: 9775 + 115 = 9890
Step 87: 9890 + 115 = 10005
Step 88: 10005 + 115 = 10120
Step 89: 10120 + 115 = 10235
Step 90: 10235 + 115 = 10350
Step 91: 10350 + 115 = 10465
Step 92: 10465 + 115 = 10580
Step 93: 10580 + 115 = 10695
Step 94: 10695 + 115 = 10810
Step 95: 10810 + 115 = 10925
Step 96: 10925 + 115 = 11040
Step 97: 11040 + 115 = 11155
Step 98: 11155 + 115 = 11270
Step 99: 11270 + 115 = 11385
Step 100: 11385 + 115 = 11500
Step 101: 11500 + 115 = 11615
Step 102: 11615 + 115 = 11730
Step 103: 11730 + 115 = 11845
Step 104: 11845 + 115 = 11960
Step 105: 11960 + 115 = 12075
Step 106: 12075 + 115 = 12190
Step 107: 12190 + 115 = 12305
Step 108: 12305 + 115 = 12420
Step 109: 12420 + 115 = 12535
Step 110: 12535 + 115 = 12650
Step 111: 12650 + 115 = 12765
Step 112: 12765 + 115 = 12880
Step 113: 12880 + 115 = 12995
Step 114: 12995 + 115 = 13110
Step 115: 13110 + 115 = 13225
Step 116: 13225 + 115 = 13340
Step 117: 13340 + 115 = 13455
Step 118: 13455 + 115 = 13570

So, 115*118 = 13570