Alright, let's solve this math problem step by step. First, we have the number 987. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 43. So, we're going to take the number 987 and add it to itself 43 times.
Step 1: 0 + 987 = 987
Step 2: 987 + 987 = 1974
Step 3: 1974 + 987 = 2961
Step 4: 2961 + 987 = 3948
Step 5: 3948 + 987 = 4935
Step 6: 4935 + 987 = 5922
Step 7: 5922 + 987 = 6909
Step 8: 6909 + 987 = 7896
Step 9: 7896 + 987 = 8883
Step 10: 8883 + 987 = 9870
Step 11: 9870 + 987 = 10857
Step 12: 10857 + 987 = 11844
Step 13: 11844 + 987 = 12831
Step 14: 12831 + 987 = 13818
Step 15: 13818 + 987 = 14805
Step 16: 14805 + 987 = 15792
Step 17: 15792 + 987 = 16779
Step 18: 16779 + 987 = 17766
Step 19: 17766 + 987 = 18753
Step 20: 18753 + 987 = 19740
Step 21: 19740 + 987 = 20727
Step 22: 20727 + 987 = 21714
Step 23: 21714 + 987 = 22701
Step 24: 22701 + 987 = 23688
Step 25: 23688 + 987 = 24675
Step 26: 24675 + 987 = 25662
Step 27: 25662 + 987 = 26649
Step 28: 26649 + 987 = 27636
Step 29: 27636 + 987 = 28623
Step 30: 28623 + 987 = 29610
Step 31: 29610 + 987 = 30597
Step 32: 30597 + 987 = 31584
Step 33: 31584 + 987 = 32571
Step 34: 32571 + 987 = 33558
Step 35: 33558 + 987 = 34545
Step 36: 34545 + 987 = 35532
Step 37: 35532 + 987 = 36519
Step 38: 36519 + 987 = 37506
Step 39: 37506 + 987 = 38493
Step 40: 38493 + 987 = 39480
Step 41: 39480 + 987 = 40467
Step 42: 40467 + 987 = 41454
Step 43: 41454 + 987 = 42441

So, 987*43 = 42441