Sure thing! We've got 486 and we're gonna multiply it by 77. That's the same as adding 486 to itself 77 times.
Step 1: 0 + 486 = 486
Step 2: 486 + 486 = 972
Step 3: 972 + 486 = 1458
Step 4: 1458 + 486 = 1944
Step 5: 1944 + 486 = 2430
Step 6: 2430 + 486 = 2916
Step 7: 2916 + 486 = 3402
Step 8: 3402 + 486 = 3888
Step 9: 3888 + 486 = 4374
Step 10: 4374 + 486 = 4860
Step 11: 4860 + 486 = 5346
Step 12: 5346 + 486 = 5832
Step 13: 5832 + 486 = 6318
Step 14: 6318 + 486 = 6804
Step 15: 6804 + 486 = 7290
Step 16: 7290 + 486 = 7776
Step 17: 7776 + 486 = 8262
Step 18: 8262 + 486 = 8748
Step 19: 8748 + 486 = 9234
Step 20: 9234 + 486 = 9720
Step 21: 9720 + 486 = 10206
Step 22: 10206 + 486 = 10692
Step 23: 10692 + 486 = 11178
Step 24: 11178 + 486 = 11664
Step 25: 11664 + 486 = 12150
Step 26: 12150 + 486 = 12636
Step 27: 12636 + 486 = 13122
Step 28: 13122 + 486 = 13608
Step 29: 13608 + 486 = 14094
Step 30: 14094 + 486 = 14580
Step 31: 14580 + 486 = 15066
Step 32: 15066 + 486 = 15552
Step 33: 15552 + 486 = 16038
Step 34: 16038 + 486 = 16524
Step 35: 16524 + 486 = 17010
Step 36: 17010 + 486 = 17496
Step 37: 17496 + 486 = 17982
Step 38: 17982 + 486 = 18468
Step 39: 18468 + 486 = 18954
Step 40: 18954 + 486 = 19440
Step 41: 19440 + 486 = 19926
Step 42: 19926 + 486 = 20412
Step 43: 20412 + 486 = 20898
Step 44: 20898 + 486 = 21384
Step 45: 21384 + 486 = 21870
Step 46: 21870 + 486 = 22356
Step 47: 22356 + 486 = 22842
Step 48: 22842 + 486 = 23328
Step 49: 23328 + 486 = 23814
Step 50: 23814 + 486 = 24300
Step 51: 24300 + 486 = 24786
Step 52: 24786 + 486 = 25272
Step 53: 25272 + 486 = 25758
Step 54: 25758 + 486 = 26244
Step 55: 26244 + 486 = 26730
Step 56: 26730 + 486 = 27216
Step 57: 27216 + 486 = 27702
Step 58: 27702 + 486 = 28188
Step 59: 28188 + 486 = 28674
Step 60: 28674 + 486 = 29160
Step 61: 29160 + 486 = 29646
Step 62: 29646 + 486 = 30132
Step 63: 30132 + 486 = 30618
Step 64: 30618 + 486 = 31104
Step 65: 31104 + 486 = 31590
Step 66: 31590 + 486 = 32076
Step 67: 32076 + 486 = 32562
Step 68: 32562 + 486 = 33048
Step 69: 33048 + 486 = 33534
Step 70: 33534 + 486 = 34020
Step 71: 34020 + 486 = 34506
Step 72: 34506 + 486 = 34992
Step 73: 34992 + 486 = 35478
Step 74: 35478 + 486 = 35964
Step 75: 35964 + 486 = 36450
Step 76: 36450 + 486 = 36936
Step 77: 36936 + 486 = 37422

So, 486*77 = 37422