Alright, let's solve this math problem step by step. First, we have the number 678. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 59. So, we're going to take the number 678 and add it to itself 59 times.
Step 1: 0 + 678 = 678
Step 2: 678 + 678 = 1356
Step 3: 1356 + 678 = 2034
Step 4: 2034 + 678 = 2712
Step 5: 2712 + 678 = 3390
Step 6: 3390 + 678 = 4068
Step 7: 4068 + 678 = 4746
Step 8: 4746 + 678 = 5424
Step 9: 5424 + 678 = 6102
Step 10: 6102 + 678 = 6780
Step 11: 6780 + 678 = 7458
Step 12: 7458 + 678 = 8136
Step 13: 8136 + 678 = 8814
Step 14: 8814 + 678 = 9492
Step 15: 9492 + 678 = 10170
Step 16: 10170 + 678 = 10848
Step 17: 10848 + 678 = 11526
Step 18: 11526 + 678 = 12204
Step 19: 12204 + 678 = 12882
Step 20: 12882 + 678 = 13560
Step 21: 13560 + 678 = 14238
Step 22: 14238 + 678 = 14916
Step 23: 14916 + 678 = 15594
Step 24: 15594 + 678 = 16272
Step 25: 16272 + 678 = 16950
Step 26: 16950 + 678 = 17628
Step 27: 17628 + 678 = 18306
Step 28: 18306 + 678 = 18984
Step 29: 18984 + 678 = 19662
Step 30: 19662 + 678 = 20340
Step 31: 20340 + 678 = 21018
Step 32: 21018 + 678 = 21696
Step 33: 21696 + 678 = 22374
Step 34: 22374 + 678 = 23052
Step 35: 23052 + 678 = 23730
Step 36: 23730 + 678 = 24408
Step 37: 24408 + 678 = 25086
Step 38: 25086 + 678 = 25764
Step 39: 25764 + 678 = 26442
Step 40: 26442 + 678 = 27120
Step 41: 27120 + 678 = 27798
Step 42: 27798 + 678 = 28476
Step 43: 28476 + 678 = 29154
Step 44: 29154 + 678 = 29832
Step 45: 29832 + 678 = 30510
Step 46: 30510 + 678 = 31188
Step 47: 31188 + 678 = 31866
Step 48: 31866 + 678 = 32544
Step 49: 32544 + 678 = 33222
Step 50: 33222 + 678 = 33900
Step 51: 33900 + 678 = 34578
Step 52: 34578 + 678 = 35256
Step 53: 35256 + 678 = 35934
Step 54: 35934 + 678 = 36612
Step 55: 36612 + 678 = 37290
Step 56: 37290 + 678 = 37968
Step 57: 37968 + 678 = 38646
Step 58: 38646 + 678 = 39324
Step 59: 39324 + 678 = 40002

So, 678*59 = 40002