Alright, let's solve this math problem step by step. First, we have the number 904. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 48. So, we're going to take the number 904 and add it to itself 48 times.
Step 1: 0 + 904 = 904
Step 2: 904 + 904 = 1808
Step 3: 1808 + 904 = 2712
Step 4: 2712 + 904 = 3616
Step 5: 3616 + 904 = 4520
Step 6: 4520 + 904 = 5424
Step 7: 5424 + 904 = 6328
Step 8: 6328 + 904 = 7232
Step 9: 7232 + 904 = 8136
Step 10: 8136 + 904 = 9040
Step 11: 9040 + 904 = 9944
Step 12: 9944 + 904 = 10848
Step 13: 10848 + 904 = 11752
Step 14: 11752 + 904 = 12656
Step 15: 12656 + 904 = 13560
Step 16: 13560 + 904 = 14464
Step 17: 14464 + 904 = 15368
Step 18: 15368 + 904 = 16272
Step 19: 16272 + 904 = 17176
Step 20: 17176 + 904 = 18080
Step 21: 18080 + 904 = 18984
Step 22: 18984 + 904 = 19888
Step 23: 19888 + 904 = 20792
Step 24: 20792 + 904 = 21696
Step 25: 21696 + 904 = 22600
Step 26: 22600 + 904 = 23504
Step 27: 23504 + 904 = 24408
Step 28: 24408 + 904 = 25312
Step 29: 25312 + 904 = 26216
Step 30: 26216 + 904 = 27120
Step 31: 27120 + 904 = 28024
Step 32: 28024 + 904 = 28928
Step 33: 28928 + 904 = 29832
Step 34: 29832 + 904 = 30736
Step 35: 30736 + 904 = 31640
Step 36: 31640 + 904 = 32544
Step 37: 32544 + 904 = 33448
Step 38: 33448 + 904 = 34352
Step 39: 34352 + 904 = 35256
Step 40: 35256 + 904 = 36160
Step 41: 36160 + 904 = 37064
Step 42: 37064 + 904 = 37968
Step 43: 37968 + 904 = 38872
Step 44: 38872 + 904 = 39776
Step 45: 39776 + 904 = 40680
Step 46: 40680 + 904 = 41584
Step 47: 41584 + 904 = 42488
Step 48: 42488 + 904 = 43392

So, 904*48 = 43392