Let's get this math done. We have 775 and we're going to multiply it by 101. This is the same as taking 775 and adding it to itself 101 times.
Step 1: 0 + 775 = 775
Step 2: 775 + 775 = 1550
Step 3: 1550 + 775 = 2325
Step 4: 2325 + 775 = 3100
Step 5: 3100 + 775 = 3875
Step 6: 3875 + 775 = 4650
Step 7: 4650 + 775 = 5425
Step 8: 5425 + 775 = 6200
Step 9: 6200 + 775 = 6975
Step 10: 6975 + 775 = 7750
Step 11: 7750 + 775 = 8525
Step 12: 8525 + 775 = 9300
Step 13: 9300 + 775 = 10075
Step 14: 10075 + 775 = 10850
Step 15: 10850 + 775 = 11625
Step 16: 11625 + 775 = 12400
Step 17: 12400 + 775 = 13175
Step 18: 13175 + 775 = 13950
Step 19: 13950 + 775 = 14725
Step 20: 14725 + 775 = 15500
Step 21: 15500 + 775 = 16275
Step 22: 16275 + 775 = 17050
Step 23: 17050 + 775 = 17825
Step 24: 17825 + 775 = 18600
Step 25: 18600 + 775 = 19375
Step 26: 19375 + 775 = 20150
Step 27: 20150 + 775 = 20925
Step 28: 20925 + 775 = 21700
Step 29: 21700 + 775 = 22475
Step 30: 22475 + 775 = 23250
Step 31: 23250 + 775 = 24025
Step 32: 24025 + 775 = 24800
Step 33: 24800 + 775 = 25575
Step 34: 25575 + 775 = 26350
Step 35: 26350 + 775 = 27125
Step 36: 27125 + 775 = 27900
Step 37: 27900 + 775 = 28675
Step 38: 28675 + 775 = 29450
Step 39: 29450 + 775 = 30225
Step 40: 30225 + 775 = 31000
Step 41: 31000 + 775 = 31775
Step 42: 31775 + 775 = 32550
Step 43: 32550 + 775 = 33325
Step 44: 33325 + 775 = 34100
Step 45: 34100 + 775 = 34875
Step 46: 34875 + 775 = 35650
Step 47: 35650 + 775 = 36425
Step 48: 36425 + 775 = 37200
Step 49: 37200 + 775 = 37975
Step 50: 37975 + 775 = 38750
Step 51: 38750 + 775 = 39525
Step 52: 39525 + 775 = 40300
Step 53: 40300 + 775 = 41075
Step 54: 41075 + 775 = 41850
Step 55: 41850 + 775 = 42625
Step 56: 42625 + 775 = 43400
Step 57: 43400 + 775 = 44175
Step 58: 44175 + 775 = 44950
Step 59: 44950 + 775 = 45725
Step 60: 45725 + 775 = 46500
Step 61: 46500 + 775 = 47275
Step 62: 47275 + 775 = 48050
Step 63: 48050 + 775 = 48825
Step 64: 48825 + 775 = 49600
Step 65: 49600 + 775 = 50375
Step 66: 50375 + 775 = 51150
Step 67: 51150 + 775 = 51925
Step 68: 51925 + 775 = 52700
Step 69: 52700 + 775 = 53475
Step 70: 53475 + 775 = 54250
Step 71: 54250 + 775 = 55025
Step 72: 55025 + 775 = 55800
Step 73: 55800 + 775 = 56575
Step 74: 56575 + 775 = 57350
Step 75: 57350 + 775 = 58125
Step 76: 58125 + 775 = 58900
Step 77: 58900 + 775 = 59675
Step 78: 59675 + 775 = 60450
Step 79: 60450 + 775 = 61225
Step 80: 61225 + 775 = 62000
Step 81: 62000 + 775 = 62775
Step 82: 62775 + 775 = 63550
Step 83: 63550 + 775 = 64325
Step 84: 64325 + 775 = 65100
Step 85: 65100 + 775 = 65875
Step 86: 65875 + 775 = 66650
Step 87: 66650 + 775 = 67425
Step 88: 67425 + 775 = 68200
Step 89: 68200 + 775 = 68975
Step 90: 68975 + 775 = 69750
Step 91: 69750 + 775 = 70525
Step 92: 70525 + 775 = 71300
Step 93: 71300 + 775 = 72075
Step 94: 72075 + 775 = 72850
Step 95: 72850 + 775 = 73625
Step 96: 73625 + 775 = 74400
Step 97: 74400 + 775 = 75175
Step 98: 75175 + 775 = 75950
Step 99: 75950 + 775 = 76725
Step 100: 76725 + 775 = 77500
Step 101: 77500 + 775 = 78275

So, 775*101 = 78275