Let's roll up our sleeves and solve this. We have 416 and we're going to multiply it by 77, essentially adding 416 to itself 77 times.
Step 1: 0 + 416 = 416
Step 2: 416 + 416 = 832
Step 3: 832 + 416 = 1248
Step 4: 1248 + 416 = 1664
Step 5: 1664 + 416 = 2080
Step 6: 2080 + 416 = 2496
Step 7: 2496 + 416 = 2912
Step 8: 2912 + 416 = 3328
Step 9: 3328 + 416 = 3744
Step 10: 3744 + 416 = 4160
Step 11: 4160 + 416 = 4576
Step 12: 4576 + 416 = 4992
Step 13: 4992 + 416 = 5408
Step 14: 5408 + 416 = 5824
Step 15: 5824 + 416 = 6240
Step 16: 6240 + 416 = 6656
Step 17: 6656 + 416 = 7072
Step 18: 7072 + 416 = 7488
Step 19: 7488 + 416 = 7904
Step 20: 7904 + 416 = 8320
Step 21: 8320 + 416 = 8736
Step 22: 8736 + 416 = 9152
Step 23: 9152 + 416 = 9568
Step 24: 9568 + 416 = 9984
Step 25: 9984 + 416 = 10400
Step 26: 10400 + 416 = 10816
Step 27: 10816 + 416 = 11232
Step 28: 11232 + 416 = 11648
Step 29: 11648 + 416 = 12064
Step 30: 12064 + 416 = 12480
Step 31: 12480 + 416 = 12896
Step 32: 12896 + 416 = 13312
Step 33: 13312 + 416 = 13728
Step 34: 13728 + 416 = 14144
Step 35: 14144 + 416 = 14560
Step 36: 14560 + 416 = 14976
Step 37: 14976 + 416 = 15392
Step 38: 15392 + 416 = 15808
Step 39: 15808 + 416 = 16224
Step 40: 16224 + 416 = 16640
Step 41: 16640 + 416 = 17056
Step 42: 17056 + 416 = 17472
Step 43: 17472 + 416 = 17888
Step 44: 17888 + 416 = 18304
Step 45: 18304 + 416 = 18720
Step 46: 18720 + 416 = 19136
Step 47: 19136 + 416 = 19552
Step 48: 19552 + 416 = 19968
Step 49: 19968 + 416 = 20384
Step 50: 20384 + 416 = 20800
Step 51: 20800 + 416 = 21216
Step 52: 21216 + 416 = 21632
Step 53: 21632 + 416 = 22048
Step 54: 22048 + 416 = 22464
Step 55: 22464 + 416 = 22880
Step 56: 22880 + 416 = 23296
Step 57: 23296 + 416 = 23712
Step 58: 23712 + 416 = 24128
Step 59: 24128 + 416 = 24544
Step 60: 24544 + 416 = 24960
Step 61: 24960 + 416 = 25376
Step 62: 25376 + 416 = 25792
Step 63: 25792 + 416 = 26208
Step 64: 26208 + 416 = 26624
Step 65: 26624 + 416 = 27040
Step 66: 27040 + 416 = 27456
Step 67: 27456 + 416 = 27872
Step 68: 27872 + 416 = 28288
Step 69: 28288 + 416 = 28704
Step 70: 28704 + 416 = 29120
Step 71: 29120 + 416 = 29536
Step 72: 29536 + 416 = 29952
Step 73: 29952 + 416 = 30368
Step 74: 30368 + 416 = 30784
Step 75: 30784 + 416 = 31200
Step 76: 31200 + 416 = 31616
Step 77: 31616 + 416 = 32032

So, 416*77 = 32032