Alright, let's solve this math problem step by step. First, we have the number 225. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 204. So, we're going to take the number 225 and add it to itself 204 times.
Step 1: 0 + 225 = 225
Step 2: 225 + 225 = 450
Step 3: 450 + 225 = 675
Step 4: 675 + 225 = 900
Step 5: 900 + 225 = 1125
Step 6: 1125 + 225 = 1350
Step 7: 1350 + 225 = 1575
Step 8: 1575 + 225 = 1800
Step 9: 1800 + 225 = 2025
Step 10: 2025 + 225 = 2250
Step 11: 2250 + 225 = 2475
Step 12: 2475 + 225 = 2700
Step 13: 2700 + 225 = 2925
Step 14: 2925 + 225 = 3150
Step 15: 3150 + 225 = 3375
Step 16: 3375 + 225 = 3600
Step 17: 3600 + 225 = 3825
Step 18: 3825 + 225 = 4050
Step 19: 4050 + 225 = 4275
Step 20: 4275 + 225 = 4500
Step 21: 4500 + 225 = 4725
Step 22: 4725 + 225 = 4950
Step 23: 4950 + 225 = 5175
Step 24: 5175 + 225 = 5400
Step 25: 5400 + 225 = 5625
Step 26: 5625 + 225 = 5850
Step 27: 5850 + 225 = 6075
Step 28: 6075 + 225 = 6300
Step 29: 6300 + 225 = 6525
Step 30: 6525 + 225 = 6750
Step 31: 6750 + 225 = 6975
Step 32: 6975 + 225 = 7200
Step 33: 7200 + 225 = 7425
Step 34: 7425 + 225 = 7650
Step 35: 7650 + 225 = 7875
Step 36: 7875 + 225 = 8100
Step 37: 8100 + 225 = 8325
Step 38: 8325 + 225 = 8550
Step 39: 8550 + 225 = 8775
Step 40: 8775 + 225 = 9000
Step 41: 9000 + 225 = 9225
Step 42: 9225 + 225 = 9450
Step 43: 9450 + 225 = 9675
Step 44: 9675 + 225 = 9900
Step 45: 9900 + 225 = 10125
Step 46: 10125 + 225 = 10350
Step 47: 10350 + 225 = 10575
Step 48: 10575 + 225 = 10800
Step 49: 10800 + 225 = 11025
Step 50: 11025 + 225 = 11250
Step 51: 11250 + 225 = 11475
Step 52: 11475 + 225 = 11700
Step 53: 11700 + 225 = 11925
Step 54: 11925 + 225 = 12150
Step 55: 12150 + 225 = 12375
Step 56: 12375 + 225 = 12600
Step 57: 12600 + 225 = 12825
Step 58: 12825 + 225 = 13050
Step 59: 13050 + 225 = 13275
Step 60: 13275 + 225 = 13500
Step 61: 13500 + 225 = 13725
Step 62: 13725 + 225 = 13950
Step 63: 13950 + 225 = 14175
Step 64: 14175 + 225 = 14400
Step 65: 14400 + 225 = 14625
Step 66: 14625 + 225 = 14850
Step 67: 14850 + 225 = 15075
Step 68: 15075 + 225 = 15300
Step 69: 15300 + 225 = 15525
Step 70: 15525 + 225 = 15750
Step 71: 15750 + 225 = 15975
Step 72: 15975 + 225 = 16200
Step 73: 16200 + 225 = 16425
Step 74: 16425 + 225 = 16650
Step 75: 16650 + 225 = 16875
Step 76: 16875 + 225 = 17100
Step 77: 17100 + 225 = 17325
Step 78: 17325 + 225 = 17550
Step 79: 17550 + 225 = 17775
Step 80: 17775 + 225 = 18000
Step 81: 18000 + 225 = 18225
Step 82: 18225 + 225 = 18450
Step 83: 18450 + 225 = 18675
Step 84: 18675 + 225 = 18900
Step 85: 18900 + 225 = 19125
Step 86: 19125 + 225 = 19350
Step 87: 19350 + 225 = 19575
Step 88: 19575 + 225 = 19800
Step 89: 19800 + 225 = 20025
Step 90: 20025 + 225 = 20250
Step 91: 20250 + 225 = 20475
Step 92: 20475 + 225 = 20700
Step 93: 20700 + 225 = 20925
Step 94: 20925 + 225 = 21150
Step 95: 21150 + 225 = 21375
Step 96: 21375 + 225 = 21600
Step 97: 21600 + 225 = 21825
Step 98: 21825 + 225 = 22050
Step 99: 22050 + 225 = 22275
Step 100: 22275 + 225 = 22500
Step 101: 22500 + 225 = 22725
Step 102: 22725 + 225 = 22950
Step 103: 22950 + 225 = 23175
Step 104: 23175 + 225 = 23400
Step 105: 23400 + 225 = 23625
Step 106: 23625 + 225 = 23850
Step 107: 23850 + 225 = 24075
Step 108: 24075 + 225 = 24300
Step 109: 24300 + 225 = 24525
Step 110: 24525 + 225 = 24750
Step 111: 24750 + 225 = 24975
Step 112: 24975 + 225 = 25200
Step 113: 25200 + 225 = 25425
Step 114: 25425 + 225 = 25650
Step 115: 25650 + 225 = 25875
Step 116: 25875 + 225 = 26100
Step 117: 26100 + 225 = 26325
Step 118: 26325 + 225 = 26550
Step 119: 26550 + 225 = 26775
Step 120: 26775 + 225 = 27000
Step 121: 27000 + 225 = 27225
Step 122: 27225 + 225 = 27450
Step 123: 27450 + 225 = 27675
Step 124: 27675 + 225 = 27900
Step 125: 27900 + 225 = 28125
Step 126: 28125 + 225 = 28350
Step 127: 28350 + 225 = 28575
Step 128: 28575 + 225 = 28800
Step 129: 28800 + 225 = 29025
Step 130: 29025 + 225 = 29250
Step 131: 29250 + 225 = 29475
Step 132: 29475 + 225 = 29700
Step 133: 29700 + 225 = 29925
Step 134: 29925 + 225 = 30150
Step 135: 30150 + 225 = 30375
Step 136: 30375 + 225 = 30600
Step 137: 30600 + 225 = 30825
Step 138: 30825 + 225 = 31050
Step 139: 31050 + 225 = 31275
Step 140: 31275 + 225 = 31500
Step 141: 31500 + 225 = 31725
Step 142: 31725 + 225 = 31950
Step 143: 31950 + 225 = 32175
Step 144: 32175 + 225 = 32400
Step 145: 32400 + 225 = 32625
Step 146: 32625 + 225 = 32850
Step 147: 32850 + 225 = 33075
Step 148: 33075 + 225 = 33300
Step 149: 33300 + 225 = 33525
Step 150: 33525 + 225 = 33750
Step 151: 33750 + 225 = 33975
Step 152: 33975 + 225 = 34200
Step 153: 34200 + 225 = 34425
Step 154: 34425 + 225 = 34650
Step 155: 34650 + 225 = 34875
Step 156: 34875 + 225 = 35100
Step 157: 35100 + 225 = 35325
Step 158: 35325 + 225 = 35550
Step 159: 35550 + 225 = 35775
Step 160: 35775 + 225 = 36000
Step 161: 36000 + 225 = 36225
Step 162: 36225 + 225 = 36450
Step 163: 36450 + 225 = 36675
Step 164: 36675 + 225 = 36900
Step 165: 36900 + 225 = 37125
Step 166: 37125 + 225 = 37350
Step 167: 37350 + 225 = 37575
Step 168: 37575 + 225 = 37800
Step 169: 37800 + 225 = 38025
Step 170: 38025 + 225 = 38250
Step 171: 38250 + 225 = 38475
Step 172: 38475 + 225 = 38700
Step 173: 38700 + 225 = 38925
Step 174: 38925 + 225 = 39150
Step 175: 39150 + 225 = 39375
Step 176: 39375 + 225 = 39600
Step 177: 39600 + 225 = 39825
Step 178: 39825 + 225 = 40050
Step 179: 40050 + 225 = 40275
Step 180: 40275 + 225 = 40500
Step 181: 40500 + 225 = 40725
Step 182: 40725 + 225 = 40950
Step 183: 40950 + 225 = 41175
Step 184: 41175 + 225 = 41400
Step 185: 41400 + 225 = 41625
Step 186: 41625 + 225 = 41850
Step 187: 41850 + 225 = 42075
Step 188: 42075 + 225 = 42300
Step 189: 42300 + 225 = 42525
Step 190: 42525 + 225 = 42750
Step 191: 42750 + 225 = 42975
Step 192: 42975 + 225 = 43200
Step 193: 43200 + 225 = 43425
Step 194: 43425 + 225 = 43650
Step 195: 43650 + 225 = 43875
Step 196: 43875 + 225 = 44100
Step 197: 44100 + 225 = 44325
Step 198: 44325 + 225 = 44550
Step 199: 44550 + 225 = 44775
Step 200: 44775 + 225 = 45000
Step 201: 45000 + 225 = 45225
Step 202: 45225 + 225 = 45450
Step 203: 45450 + 225 = 45675
Step 204: 45675 + 225 = 45900

So, 225*204 = 45900