Without delay, let's solve this. We've got 115 and we will be multiplying it by 70, that is, adding 115 to itself 70 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

So, 115*70 = 8050