Alright, let's solve this math problem step by step. First, we have the number 725. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 231. So, we're going to take the number 725 and add it to itself 231 times.
Step 1: 0 + 725 = 725
Step 2: 725 + 725 = 1450
Step 3: 1450 + 725 = 2175
Step 4: 2175 + 725 = 2900
Step 5: 2900 + 725 = 3625
Step 6: 3625 + 725 = 4350
Step 7: 4350 + 725 = 5075
Step 8: 5075 + 725 = 5800
Step 9: 5800 + 725 = 6525
Step 10: 6525 + 725 = 7250
Step 11: 7250 + 725 = 7975
Step 12: 7975 + 725 = 8700
Step 13: 8700 + 725 = 9425
Step 14: 9425 + 725 = 10150
Step 15: 10150 + 725 = 10875
Step 16: 10875 + 725 = 11600
Step 17: 11600 + 725 = 12325
Step 18: 12325 + 725 = 13050
Step 19: 13050 + 725 = 13775
Step 20: 13775 + 725 = 14500
Step 21: 14500 + 725 = 15225
Step 22: 15225 + 725 = 15950
Step 23: 15950 + 725 = 16675
Step 24: 16675 + 725 = 17400
Step 25: 17400 + 725 = 18125
Step 26: 18125 + 725 = 18850
Step 27: 18850 + 725 = 19575
Step 28: 19575 + 725 = 20300
Step 29: 20300 + 725 = 21025
Step 30: 21025 + 725 = 21750
Step 31: 21750 + 725 = 22475
Step 32: 22475 + 725 = 23200
Step 33: 23200 + 725 = 23925
Step 34: 23925 + 725 = 24650
Step 35: 24650 + 725 = 25375
Step 36: 25375 + 725 = 26100
Step 37: 26100 + 725 = 26825
Step 38: 26825 + 725 = 27550
Step 39: 27550 + 725 = 28275
Step 40: 28275 + 725 = 29000
Step 41: 29000 + 725 = 29725
Step 42: 29725 + 725 = 30450
Step 43: 30450 + 725 = 31175
Step 44: 31175 + 725 = 31900
Step 45: 31900 + 725 = 32625
Step 46: 32625 + 725 = 33350
Step 47: 33350 + 725 = 34075
Step 48: 34075 + 725 = 34800
Step 49: 34800 + 725 = 35525
Step 50: 35525 + 725 = 36250
Step 51: 36250 + 725 = 36975
Step 52: 36975 + 725 = 37700
Step 53: 37700 + 725 = 38425
Step 54: 38425 + 725 = 39150
Step 55: 39150 + 725 = 39875
Step 56: 39875 + 725 = 40600
Step 57: 40600 + 725 = 41325
Step 58: 41325 + 725 = 42050
Step 59: 42050 + 725 = 42775
Step 60: 42775 + 725 = 43500
Step 61: 43500 + 725 = 44225
Step 62: 44225 + 725 = 44950
Step 63: 44950 + 725 = 45675
Step 64: 45675 + 725 = 46400
Step 65: 46400 + 725 = 47125
Step 66: 47125 + 725 = 47850
Step 67: 47850 + 725 = 48575
Step 68: 48575 + 725 = 49300
Step 69: 49300 + 725 = 50025
Step 70: 50025 + 725 = 50750
Step 71: 50750 + 725 = 51475
Step 72: 51475 + 725 = 52200
Step 73: 52200 + 725 = 52925
Step 74: 52925 + 725 = 53650
Step 75: 53650 + 725 = 54375
Step 76: 54375 + 725 = 55100
Step 77: 55100 + 725 = 55825
Step 78: 55825 + 725 = 56550
Step 79: 56550 + 725 = 57275
Step 80: 57275 + 725 = 58000
Step 81: 58000 + 725 = 58725
Step 82: 58725 + 725 = 59450
Step 83: 59450 + 725 = 60175
Step 84: 60175 + 725 = 60900
Step 85: 60900 + 725 = 61625
Step 86: 61625 + 725 = 62350
Step 87: 62350 + 725 = 63075
Step 88: 63075 + 725 = 63800
Step 89: 63800 + 725 = 64525
Step 90: 64525 + 725 = 65250
Step 91: 65250 + 725 = 65975
Step 92: 65975 + 725 = 66700
Step 93: 66700 + 725 = 67425
Step 94: 67425 + 725 = 68150
Step 95: 68150 + 725 = 68875
Step 96: 68875 + 725 = 69600
Step 97: 69600 + 725 = 70325
Step 98: 70325 + 725 = 71050
Step 99: 71050 + 725 = 71775
Step 100: 71775 + 725 = 72500
Step 101: 72500 + 725 = 73225
Step 102: 73225 + 725 = 73950
Step 103: 73950 + 725 = 74675
Step 104: 74675 + 725 = 75400
Step 105: 75400 + 725 = 76125
Step 106: 76125 + 725 = 76850
Step 107: 76850 + 725 = 77575
Step 108: 77575 + 725 = 78300
Step 109: 78300 + 725 = 79025
Step 110: 79025 + 725 = 79750
Step 111: 79750 + 725 = 80475
Step 112: 80475 + 725 = 81200
Step 113: 81200 + 725 = 81925
Step 114: 81925 + 725 = 82650
Step 115: 82650 + 725 = 83375
Step 116: 83375 + 725 = 84100
Step 117: 84100 + 725 = 84825
Step 118: 84825 + 725 = 85550
Step 119: 85550 + 725 = 86275
Step 120: 86275 + 725 = 87000
Step 121: 87000 + 725 = 87725
Step 122: 87725 + 725 = 88450
Step 123: 88450 + 725 = 89175
Step 124: 89175 + 725 = 89900
Step 125: 89900 + 725 = 90625
Step 126: 90625 + 725 = 91350
Step 127: 91350 + 725 = 92075
Step 128: 92075 + 725 = 92800
Step 129: 92800 + 725 = 93525
Step 130: 93525 + 725 = 94250
Step 131: 94250 + 725 = 94975
Step 132: 94975 + 725 = 95700
Step 133: 95700 + 725 = 96425
Step 134: 96425 + 725 = 97150
Step 135: 97150 + 725 = 97875
Step 136: 97875 + 725 = 98600
Step 137: 98600 + 725 = 99325
Step 138: 99325 + 725 = 100050
Step 139: 100050 + 725 = 100775
Step 140: 100775 + 725 = 101500
Step 141: 101500 + 725 = 102225
Step 142: 102225 + 725 = 102950
Step 143: 102950 + 725 = 103675
Step 144: 103675 + 725 = 104400
Step 145: 104400 + 725 = 105125
Step 146: 105125 + 725 = 105850
Step 147: 105850 + 725 = 106575
Step 148: 106575 + 725 = 107300
Step 149: 107300 + 725 = 108025
Step 150: 108025 + 725 = 108750
Step 151: 108750 + 725 = 109475
Step 152: 109475 + 725 = 110200
Step 153: 110200 + 725 = 110925
Step 154: 110925 + 725 = 111650
Step 155: 111650 + 725 = 112375
Step 156: 112375 + 725 = 113100
Step 157: 113100 + 725 = 113825
Step 158: 113825 + 725 = 114550
Step 159: 114550 + 725 = 115275
Step 160: 115275 + 725 = 116000
Step 161: 116000 + 725 = 116725
Step 162: 116725 + 725 = 117450
Step 163: 117450 + 725 = 118175
Step 164: 118175 + 725 = 118900
Step 165: 118900 + 725 = 119625
Step 166: 119625 + 725 = 120350
Step 167: 120350 + 725 = 121075
Step 168: 121075 + 725 = 121800
Step 169: 121800 + 725 = 122525
Step 170: 122525 + 725 = 123250
Step 171: 123250 + 725 = 123975
Step 172: 123975 + 725 = 124700
Step 173: 124700 + 725 = 125425
Step 174: 125425 + 725 = 126150
Step 175: 126150 + 725 = 126875
Step 176: 126875 + 725 = 127600
Step 177: 127600 + 725 = 128325
Step 178: 128325 + 725 = 129050
Step 179: 129050 + 725 = 129775
Step 180: 129775 + 725 = 130500
Step 181: 130500 + 725 = 131225
Step 182: 131225 + 725 = 131950
Step 183: 131950 + 725 = 132675
Step 184: 132675 + 725 = 133400
Step 185: 133400 + 725 = 134125
Step 186: 134125 + 725 = 134850
Step 187: 134850 + 725 = 135575
Step 188: 135575 + 725 = 136300
Step 189: 136300 + 725 = 137025
Step 190: 137025 + 725 = 137750
Step 191: 137750 + 725 = 138475
Step 192: 138475 + 725 = 139200
Step 193: 139200 + 725 = 139925
Step 194: 139925 + 725 = 140650
Step 195: 140650 + 725 = 141375
Step 196: 141375 + 725 = 142100
Step 197: 142100 + 725 = 142825
Step 198: 142825 + 725 = 143550
Step 199: 143550 + 725 = 144275
Step 200: 144275 + 725 = 145000
Step 201: 145000 + 725 = 145725
Step 202: 145725 + 725 = 146450
Step 203: 146450 + 725 = 147175
Step 204: 147175 + 725 = 147900
Step 205: 147900 + 725 = 148625
Step 206: 148625 + 725 = 149350
Step 207: 149350 + 725 = 150075
Step 208: 150075 + 725 = 150800
Step 209: 150800 + 725 = 151525
Step 210: 151525 + 725 = 152250
Step 211: 152250 + 725 = 152975
Step 212: 152975 + 725 = 153700
Step 213: 153700 + 725 = 154425
Step 214: 154425 + 725 = 155150
Step 215: 155150 + 725 = 155875
Step 216: 155875 + 725 = 156600
Step 217: 156600 + 725 = 157325
Step 218: 157325 + 725 = 158050
Step 219: 158050 + 725 = 158775
Step 220: 158775 + 725 = 159500
Step 221: 159500 + 725 = 160225
Step 222: 160225 + 725 = 160950
Step 223: 160950 + 725 = 161675
Step 224: 161675 + 725 = 162400
Step 225: 162400 + 725 = 163125
Step 226: 163125 + 725 = 163850
Step 227: 163850 + 725 = 164575
Step 228: 164575 + 725 = 165300
Step 229: 165300 + 725 = 166025
Step 230: 166025 + 725 = 166750
Step 231: 166750 + 725 = 167475

So, 725*231 = 167475