Alright, let's solve this math problem step by step. First, we have the number 872. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 46. So, we're going to take the number 872 and add it to itself 46 times.
Step 1: 0 + 872 = 872
Step 2: 872 + 872 = 1744
Step 3: 1744 + 872 = 2616
Step 4: 2616 + 872 = 3488
Step 5: 3488 + 872 = 4360
Step 6: 4360 + 872 = 5232
Step 7: 5232 + 872 = 6104
Step 8: 6104 + 872 = 6976
Step 9: 6976 + 872 = 7848
Step 10: 7848 + 872 = 8720
Step 11: 8720 + 872 = 9592
Step 12: 9592 + 872 = 10464
Step 13: 10464 + 872 = 11336
Step 14: 11336 + 872 = 12208
Step 15: 12208 + 872 = 13080
Step 16: 13080 + 872 = 13952
Step 17: 13952 + 872 = 14824
Step 18: 14824 + 872 = 15696
Step 19: 15696 + 872 = 16568
Step 20: 16568 + 872 = 17440
Step 21: 17440 + 872 = 18312
Step 22: 18312 + 872 = 19184
Step 23: 19184 + 872 = 20056
Step 24: 20056 + 872 = 20928
Step 25: 20928 + 872 = 21800
Step 26: 21800 + 872 = 22672
Step 27: 22672 + 872 = 23544
Step 28: 23544 + 872 = 24416
Step 29: 24416 + 872 = 25288
Step 30: 25288 + 872 = 26160
Step 31: 26160 + 872 = 27032
Step 32: 27032 + 872 = 27904
Step 33: 27904 + 872 = 28776
Step 34: 28776 + 872 = 29648
Step 35: 29648 + 872 = 30520
Step 36: 30520 + 872 = 31392
Step 37: 31392 + 872 = 32264
Step 38: 32264 + 872 = 33136
Step 39: 33136 + 872 = 34008
Step 40: 34008 + 872 = 34880
Step 41: 34880 + 872 = 35752
Step 42: 35752 + 872 = 36624
Step 43: 36624 + 872 = 37496
Step 44: 37496 + 872 = 38368
Step 45: 38368 + 872 = 39240
Step 46: 39240 + 872 = 40112

So, 872*46 = 40112