Alright, let's solve this math problem step by step. First, we have the number 556. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 45. So, we're going to take the number 556 and add it to itself 45 times.
Step 1: 0 + 556 = 556
Step 2: 556 + 556 = 1112
Step 3: 1112 + 556 = 1668
Step 4: 1668 + 556 = 2224
Step 5: 2224 + 556 = 2780
Step 6: 2780 + 556 = 3336
Step 7: 3336 + 556 = 3892
Step 8: 3892 + 556 = 4448
Step 9: 4448 + 556 = 5004
Step 10: 5004 + 556 = 5560
Step 11: 5560 + 556 = 6116
Step 12: 6116 + 556 = 6672
Step 13: 6672 + 556 = 7228
Step 14: 7228 + 556 = 7784
Step 15: 7784 + 556 = 8340
Step 16: 8340 + 556 = 8896
Step 17: 8896 + 556 = 9452
Step 18: 9452 + 556 = 10008
Step 19: 10008 + 556 = 10564
Step 20: 10564 + 556 = 11120
Step 21: 11120 + 556 = 11676
Step 22: 11676 + 556 = 12232
Step 23: 12232 + 556 = 12788
Step 24: 12788 + 556 = 13344
Step 25: 13344 + 556 = 13900
Step 26: 13900 + 556 = 14456
Step 27: 14456 + 556 = 15012
Step 28: 15012 + 556 = 15568
Step 29: 15568 + 556 = 16124
Step 30: 16124 + 556 = 16680
Step 31: 16680 + 556 = 17236
Step 32: 17236 + 556 = 17792
Step 33: 17792 + 556 = 18348
Step 34: 18348 + 556 = 18904
Step 35: 18904 + 556 = 19460
Step 36: 19460 + 556 = 20016
Step 37: 20016 + 556 = 20572
Step 38: 20572 + 556 = 21128
Step 39: 21128 + 556 = 21684
Step 40: 21684 + 556 = 22240
Step 41: 22240 + 556 = 22796
Step 42: 22796 + 556 = 23352
Step 43: 23352 + 556 = 23908
Step 44: 23908 + 556 = 24464
Step 45: 24464 + 556 = 25020

So, 556*45 = 25020