Alright, let's solve this math problem step by step. First, we have the number 825. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 49. So, we're going to take the number 825 and add it to itself 49 times.
Step 1: 0 + 825 = 825
Step 2: 825 + 825 = 1650
Step 3: 1650 + 825 = 2475
Step 4: 2475 + 825 = 3300
Step 5: 3300 + 825 = 4125
Step 6: 4125 + 825 = 4950
Step 7: 4950 + 825 = 5775
Step 8: 5775 + 825 = 6600
Step 9: 6600 + 825 = 7425
Step 10: 7425 + 825 = 8250
Step 11: 8250 + 825 = 9075
Step 12: 9075 + 825 = 9900
Step 13: 9900 + 825 = 10725
Step 14: 10725 + 825 = 11550
Step 15: 11550 + 825 = 12375
Step 16: 12375 + 825 = 13200
Step 17: 13200 + 825 = 14025
Step 18: 14025 + 825 = 14850
Step 19: 14850 + 825 = 15675
Step 20: 15675 + 825 = 16500
Step 21: 16500 + 825 = 17325
Step 22: 17325 + 825 = 18150
Step 23: 18150 + 825 = 18975
Step 24: 18975 + 825 = 19800
Step 25: 19800 + 825 = 20625
Step 26: 20625 + 825 = 21450
Step 27: 21450 + 825 = 22275
Step 28: 22275 + 825 = 23100
Step 29: 23100 + 825 = 23925
Step 30: 23925 + 825 = 24750
Step 31: 24750 + 825 = 25575
Step 32: 25575 + 825 = 26400
Step 33: 26400 + 825 = 27225
Step 34: 27225 + 825 = 28050
Step 35: 28050 + 825 = 28875
Step 36: 28875 + 825 = 29700
Step 37: 29700 + 825 = 30525
Step 38: 30525 + 825 = 31350
Step 39: 31350 + 825 = 32175
Step 40: 32175 + 825 = 33000
Step 41: 33000 + 825 = 33825
Step 42: 33825 + 825 = 34650
Step 43: 34650 + 825 = 35475
Step 44: 35475 + 825 = 36300
Step 45: 36300 + 825 = 37125
Step 46: 37125 + 825 = 37950
Step 47: 37950 + 825 = 38775
Step 48: 38775 + 825 = 39600
Step 49: 39600 + 825 = 40425

So, 825*49 = 40425