Alright, let's solve this math problem step by step. First, we have the number 835. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 78. So, we're going to take the number 835 and add it to itself 78 times.
Step 1: 0 + 835 = 835
Step 2: 835 + 835 = 1670
Step 3: 1670 + 835 = 2505
Step 4: 2505 + 835 = 3340
Step 5: 3340 + 835 = 4175
Step 6: 4175 + 835 = 5010
Step 7: 5010 + 835 = 5845
Step 8: 5845 + 835 = 6680
Step 9: 6680 + 835 = 7515
Step 10: 7515 + 835 = 8350
Step 11: 8350 + 835 = 9185
Step 12: 9185 + 835 = 10020
Step 13: 10020 + 835 = 10855
Step 14: 10855 + 835 = 11690
Step 15: 11690 + 835 = 12525
Step 16: 12525 + 835 = 13360
Step 17: 13360 + 835 = 14195
Step 18: 14195 + 835 = 15030
Step 19: 15030 + 835 = 15865
Step 20: 15865 + 835 = 16700
Step 21: 16700 + 835 = 17535
Step 22: 17535 + 835 = 18370
Step 23: 18370 + 835 = 19205
Step 24: 19205 + 835 = 20040
Step 25: 20040 + 835 = 20875
Step 26: 20875 + 835 = 21710
Step 27: 21710 + 835 = 22545
Step 28: 22545 + 835 = 23380
Step 29: 23380 + 835 = 24215
Step 30: 24215 + 835 = 25050
Step 31: 25050 + 835 = 25885
Step 32: 25885 + 835 = 26720
Step 33: 26720 + 835 = 27555
Step 34: 27555 + 835 = 28390
Step 35: 28390 + 835 = 29225
Step 36: 29225 + 835 = 30060
Step 37: 30060 + 835 = 30895
Step 38: 30895 + 835 = 31730
Step 39: 31730 + 835 = 32565
Step 40: 32565 + 835 = 33400
Step 41: 33400 + 835 = 34235
Step 42: 34235 + 835 = 35070
Step 43: 35070 + 835 = 35905
Step 44: 35905 + 835 = 36740
Step 45: 36740 + 835 = 37575
Step 46: 37575 + 835 = 38410
Step 47: 38410 + 835 = 39245
Step 48: 39245 + 835 = 40080
Step 49: 40080 + 835 = 40915
Step 50: 40915 + 835 = 41750
Step 51: 41750 + 835 = 42585
Step 52: 42585 + 835 = 43420
Step 53: 43420 + 835 = 44255
Step 54: 44255 + 835 = 45090
Step 55: 45090 + 835 = 45925
Step 56: 45925 + 835 = 46760
Step 57: 46760 + 835 = 47595
Step 58: 47595 + 835 = 48430
Step 59: 48430 + 835 = 49265
Step 60: 49265 + 835 = 50100
Step 61: 50100 + 835 = 50935
Step 62: 50935 + 835 = 51770
Step 63: 51770 + 835 = 52605
Step 64: 52605 + 835 = 53440
Step 65: 53440 + 835 = 54275
Step 66: 54275 + 835 = 55110
Step 67: 55110 + 835 = 55945
Step 68: 55945 + 835 = 56780
Step 69: 56780 + 835 = 57615
Step 70: 57615 + 835 = 58450
Step 71: 58450 + 835 = 59285
Step 72: 59285 + 835 = 60120
Step 73: 60120 + 835 = 60955
Step 74: 60955 + 835 = 61790
Step 75: 61790 + 835 = 62625
Step 76: 62625 + 835 = 63460
Step 77: 63460 + 835 = 64295
Step 78: 64295 + 835 = 65130

So, 835*78 = 65130