Let's get this math done. We have 955 and we're going to multiply it by 80. This is the same as taking 955 and adding it to itself 80 times.
Step 1: 0 + 955 = 955
Step 2: 955 + 955 = 1910
Step 3: 1910 + 955 = 2865
Step 4: 2865 + 955 = 3820
Step 5: 3820 + 955 = 4775
Step 6: 4775 + 955 = 5730
Step 7: 5730 + 955 = 6685
Step 8: 6685 + 955 = 7640
Step 9: 7640 + 955 = 8595
Step 10: 8595 + 955 = 9550
Step 11: 9550 + 955 = 10505
Step 12: 10505 + 955 = 11460
Step 13: 11460 + 955 = 12415
Step 14: 12415 + 955 = 13370
Step 15: 13370 + 955 = 14325
Step 16: 14325 + 955 = 15280
Step 17: 15280 + 955 = 16235
Step 18: 16235 + 955 = 17190
Step 19: 17190 + 955 = 18145
Step 20: 18145 + 955 = 19100
Step 21: 19100 + 955 = 20055
Step 22: 20055 + 955 = 21010
Step 23: 21010 + 955 = 21965
Step 24: 21965 + 955 = 22920
Step 25: 22920 + 955 = 23875
Step 26: 23875 + 955 = 24830
Step 27: 24830 + 955 = 25785
Step 28: 25785 + 955 = 26740
Step 29: 26740 + 955 = 27695
Step 30: 27695 + 955 = 28650
Step 31: 28650 + 955 = 29605
Step 32: 29605 + 955 = 30560
Step 33: 30560 + 955 = 31515
Step 34: 31515 + 955 = 32470
Step 35: 32470 + 955 = 33425
Step 36: 33425 + 955 = 34380
Step 37: 34380 + 955 = 35335
Step 38: 35335 + 955 = 36290
Step 39: 36290 + 955 = 37245
Step 40: 37245 + 955 = 38200
Step 41: 38200 + 955 = 39155
Step 42: 39155 + 955 = 40110
Step 43: 40110 + 955 = 41065
Step 44: 41065 + 955 = 42020
Step 45: 42020 + 955 = 42975
Step 46: 42975 + 955 = 43930
Step 47: 43930 + 955 = 44885
Step 48: 44885 + 955 = 45840
Step 49: 45840 + 955 = 46795
Step 50: 46795 + 955 = 47750
Step 51: 47750 + 955 = 48705
Step 52: 48705 + 955 = 49660
Step 53: 49660 + 955 = 50615
Step 54: 50615 + 955 = 51570
Step 55: 51570 + 955 = 52525
Step 56: 52525 + 955 = 53480
Step 57: 53480 + 955 = 54435
Step 58: 54435 + 955 = 55390
Step 59: 55390 + 955 = 56345
Step 60: 56345 + 955 = 57300
Step 61: 57300 + 955 = 58255
Step 62: 58255 + 955 = 59210
Step 63: 59210 + 955 = 60165
Step 64: 60165 + 955 = 61120
Step 65: 61120 + 955 = 62075
Step 66: 62075 + 955 = 63030
Step 67: 63030 + 955 = 63985
Step 68: 63985 + 955 = 64940
Step 69: 64940 + 955 = 65895
Step 70: 65895 + 955 = 66850
Step 71: 66850 + 955 = 67805
Step 72: 67805 + 955 = 68760
Step 73: 68760 + 955 = 69715
Step 74: 69715 + 955 = 70670
Step 75: 70670 + 955 = 71625
Step 76: 71625 + 955 = 72580
Step 77: 72580 + 955 = 73535
Step 78: 73535 + 955 = 74490
Step 79: 74490 + 955 = 75445
Step 80: 75445 + 955 = 76400

So, 955*80 = 76400