Alright, let's solve this math problem step by step. First, we have the number 441. 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 441 and add it to itself 45 times.
Step 1: 0 + 441 = 441
Step 2: 441 + 441 = 882
Step 3: 882 + 441 = 1323
Step 4: 1323 + 441 = 1764
Step 5: 1764 + 441 = 2205
Step 6: 2205 + 441 = 2646
Step 7: 2646 + 441 = 3087
Step 8: 3087 + 441 = 3528
Step 9: 3528 + 441 = 3969
Step 10: 3969 + 441 = 4410
Step 11: 4410 + 441 = 4851
Step 12: 4851 + 441 = 5292
Step 13: 5292 + 441 = 5733
Step 14: 5733 + 441 = 6174
Step 15: 6174 + 441 = 6615
Step 16: 6615 + 441 = 7056
Step 17: 7056 + 441 = 7497
Step 18: 7497 + 441 = 7938
Step 19: 7938 + 441 = 8379
Step 20: 8379 + 441 = 8820
Step 21: 8820 + 441 = 9261
Step 22: 9261 + 441 = 9702
Step 23: 9702 + 441 = 10143
Step 24: 10143 + 441 = 10584
Step 25: 10584 + 441 = 11025
Step 26: 11025 + 441 = 11466
Step 27: 11466 + 441 = 11907
Step 28: 11907 + 441 = 12348
Step 29: 12348 + 441 = 12789
Step 30: 12789 + 441 = 13230
Step 31: 13230 + 441 = 13671
Step 32: 13671 + 441 = 14112
Step 33: 14112 + 441 = 14553
Step 34: 14553 + 441 = 14994
Step 35: 14994 + 441 = 15435
Step 36: 15435 + 441 = 15876
Step 37: 15876 + 441 = 16317
Step 38: 16317 + 441 = 16758
Step 39: 16758 + 441 = 17199
Step 40: 17199 + 441 = 17640
Step 41: 17640 + 441 = 18081
Step 42: 18081 + 441 = 18522
Step 43: 18522 + 441 = 18963
Step 44: 18963 + 441 = 19404
Step 45: 19404 + 441 = 19845

So, 441*45 = 19845