Let's get this math done. We have 25 and we're going to multiply it by 250. This is the same as taking 25 and adding it to itself 250 times.
Step 1: 0 + 25 = 25
Step 2: 25 + 25 = 50
Step 3: 50 + 25 = 75
Step 4: 75 + 25 = 100
Step 5: 100 + 25 = 125
Step 6: 125 + 25 = 150
Step 7: 150 + 25 = 175
Step 8: 175 + 25 = 200
Step 9: 200 + 25 = 225
Step 10: 225 + 25 = 250
Step 11: 250 + 25 = 275
Step 12: 275 + 25 = 300
Step 13: 300 + 25 = 325
Step 14: 325 + 25 = 350
Step 15: 350 + 25 = 375
Step 16: 375 + 25 = 400
Step 17: 400 + 25 = 425
Step 18: 425 + 25 = 450
Step 19: 450 + 25 = 475
Step 20: 475 + 25 = 500
Step 21: 500 + 25 = 525
Step 22: 525 + 25 = 550
Step 23: 550 + 25 = 575
Step 24: 575 + 25 = 600
Step 25: 600 + 25 = 625
Step 26: 625 + 25 = 650
Step 27: 650 + 25 = 675
Step 28: 675 + 25 = 700
Step 29: 700 + 25 = 725
Step 30: 725 + 25 = 750
Step 31: 750 + 25 = 775
Step 32: 775 + 25 = 800
Step 33: 800 + 25 = 825
Step 34: 825 + 25 = 850
Step 35: 850 + 25 = 875
Step 36: 875 + 25 = 900
Step 37: 900 + 25 = 925
Step 38: 925 + 25 = 950
Step 39: 950 + 25 = 975
Step 40: 975 + 25 = 1000
Step 41: 1000 + 25 = 1025
Step 42: 1025 + 25 = 1050
Step 43: 1050 + 25 = 1075
Step 44: 1075 + 25 = 1100
Step 45: 1100 + 25 = 1125
Step 46: 1125 + 25 = 1150
Step 47: 1150 + 25 = 1175
Step 48: 1175 + 25 = 1200
Step 49: 1200 + 25 = 1225
Step 50: 1225 + 25 = 1250
Step 51: 1250 + 25 = 1275
Step 52: 1275 + 25 = 1300
Step 53: 1300 + 25 = 1325
Step 54: 1325 + 25 = 1350
Step 55: 1350 + 25 = 1375
Step 56: 1375 + 25 = 1400
Step 57: 1400 + 25 = 1425
Step 58: 1425 + 25 = 1450
Step 59: 1450 + 25 = 1475
Step 60: 1475 + 25 = 1500
Step 61: 1500 + 25 = 1525
Step 62: 1525 + 25 = 1550
Step 63: 1550 + 25 = 1575
Step 64: 1575 + 25 = 1600
Step 65: 1600 + 25 = 1625
Step 66: 1625 + 25 = 1650
Step 67: 1650 + 25 = 1675
Step 68: 1675 + 25 = 1700
Step 69: 1700 + 25 = 1725
Step 70: 1725 + 25 = 1750
Step 71: 1750 + 25 = 1775
Step 72: 1775 + 25 = 1800
Step 73: 1800 + 25 = 1825
Step 74: 1825 + 25 = 1850
Step 75: 1850 + 25 = 1875
Step 76: 1875 + 25 = 1900
Step 77: 1900 + 25 = 1925
Step 78: 1925 + 25 = 1950
Step 79: 1950 + 25 = 1975
Step 80: 1975 + 25 = 2000
Step 81: 2000 + 25 = 2025
Step 82: 2025 + 25 = 2050
Step 83: 2050 + 25 = 2075
Step 84: 2075 + 25 = 2100
Step 85: 2100 + 25 = 2125
Step 86: 2125 + 25 = 2150
Step 87: 2150 + 25 = 2175
Step 88: 2175 + 25 = 2200
Step 89: 2200 + 25 = 2225
Step 90: 2225 + 25 = 2250
Step 91: 2250 + 25 = 2275
Step 92: 2275 + 25 = 2300
Step 93: 2300 + 25 = 2325
Step 94: 2325 + 25 = 2350
Step 95: 2350 + 25 = 2375
Step 96: 2375 + 25 = 2400
Step 97: 2400 + 25 = 2425
Step 98: 2425 + 25 = 2450
Step 99: 2450 + 25 = 2475
Step 100: 2475 + 25 = 2500
Step 101: 2500 + 25 = 2525
Step 102: 2525 + 25 = 2550
Step 103: 2550 + 25 = 2575
Step 104: 2575 + 25 = 2600
Step 105: 2600 + 25 = 2625
Step 106: 2625 + 25 = 2650
Step 107: 2650 + 25 = 2675
Step 108: 2675 + 25 = 2700
Step 109: 2700 + 25 = 2725
Step 110: 2725 + 25 = 2750
Step 111: 2750 + 25 = 2775
Step 112: 2775 + 25 = 2800
Step 113: 2800 + 25 = 2825
Step 114: 2825 + 25 = 2850
Step 115: 2850 + 25 = 2875
Step 116: 2875 + 25 = 2900
Step 117: 2900 + 25 = 2925
Step 118: 2925 + 25 = 2950
Step 119: 2950 + 25 = 2975
Step 120: 2975 + 25 = 3000
Step 121: 3000 + 25 = 3025
Step 122: 3025 + 25 = 3050
Step 123: 3050 + 25 = 3075
Step 124: 3075 + 25 = 3100
Step 125: 3100 + 25 = 3125
Step 126: 3125 + 25 = 3150
Step 127: 3150 + 25 = 3175
Step 128: 3175 + 25 = 3200
Step 129: 3200 + 25 = 3225
Step 130: 3225 + 25 = 3250
Step 131: 3250 + 25 = 3275
Step 132: 3275 + 25 = 3300
Step 133: 3300 + 25 = 3325
Step 134: 3325 + 25 = 3350
Step 135: 3350 + 25 = 3375
Step 136: 3375 + 25 = 3400
Step 137: 3400 + 25 = 3425
Step 138: 3425 + 25 = 3450
Step 139: 3450 + 25 = 3475
Step 140: 3475 + 25 = 3500
Step 141: 3500 + 25 = 3525
Step 142: 3525 + 25 = 3550
Step 143: 3550 + 25 = 3575
Step 144: 3575 + 25 = 3600
Step 145: 3600 + 25 = 3625
Step 146: 3625 + 25 = 3650
Step 147: 3650 + 25 = 3675
Step 148: 3675 + 25 = 3700
Step 149: 3700 + 25 = 3725
Step 150: 3725 + 25 = 3750
Step 151: 3750 + 25 = 3775
Step 152: 3775 + 25 = 3800
Step 153: 3800 + 25 = 3825
Step 154: 3825 + 25 = 3850
Step 155: 3850 + 25 = 3875
Step 156: 3875 + 25 = 3900
Step 157: 3900 + 25 = 3925
Step 158: 3925 + 25 = 3950
Step 159: 3950 + 25 = 3975
Step 160: 3975 + 25 = 4000
Step 161: 4000 + 25 = 4025
Step 162: 4025 + 25 = 4050
Step 163: 4050 + 25 = 4075
Step 164: 4075 + 25 = 4100
Step 165: 4100 + 25 = 4125
Step 166: 4125 + 25 = 4150
Step 167: 4150 + 25 = 4175
Step 168: 4175 + 25 = 4200
Step 169: 4200 + 25 = 4225
Step 170: 4225 + 25 = 4250
Step 171: 4250 + 25 = 4275
Step 172: 4275 + 25 = 4300
Step 173: 4300 + 25 = 4325
Step 174: 4325 + 25 = 4350
Step 175: 4350 + 25 = 4375
Step 176: 4375 + 25 = 4400
Step 177: 4400 + 25 = 4425
Step 178: 4425 + 25 = 4450
Step 179: 4450 + 25 = 4475
Step 180: 4475 + 25 = 4500
Step 181: 4500 + 25 = 4525
Step 182: 4525 + 25 = 4550
Step 183: 4550 + 25 = 4575
Step 184: 4575 + 25 = 4600
Step 185: 4600 + 25 = 4625
Step 186: 4625 + 25 = 4650
Step 187: 4650 + 25 = 4675
Step 188: 4675 + 25 = 4700
Step 189: 4700 + 25 = 4725
Step 190: 4725 + 25 = 4750
Step 191: 4750 + 25 = 4775
Step 192: 4775 + 25 = 4800
Step 193: 4800 + 25 = 4825
Step 194: 4825 + 25 = 4850
Step 195: 4850 + 25 = 4875
Step 196: 4875 + 25 = 4900
Step 197: 4900 + 25 = 4925
Step 198: 4925 + 25 = 4950
Step 199: 4950 + 25 = 4975
Step 200: 4975 + 25 = 5000
Step 201: 5000 + 25 = 5025
Step 202: 5025 + 25 = 5050
Step 203: 5050 + 25 = 5075
Step 204: 5075 + 25 = 5100
Step 205: 5100 + 25 = 5125
Step 206: 5125 + 25 = 5150
Step 207: 5150 + 25 = 5175
Step 208: 5175 + 25 = 5200
Step 209: 5200 + 25 = 5225
Step 210: 5225 + 25 = 5250
Step 211: 5250 + 25 = 5275
Step 212: 5275 + 25 = 5300
Step 213: 5300 + 25 = 5325
Step 214: 5325 + 25 = 5350
Step 215: 5350 + 25 = 5375
Step 216: 5375 + 25 = 5400
Step 217: 5400 + 25 = 5425
Step 218: 5425 + 25 = 5450
Step 219: 5450 + 25 = 5475
Step 220: 5475 + 25 = 5500
Step 221: 5500 + 25 = 5525
Step 222: 5525 + 25 = 5550
Step 223: 5550 + 25 = 5575
Step 224: 5575 + 25 = 5600
Step 225: 5600 + 25 = 5625
Step 226: 5625 + 25 = 5650
Step 227: 5650 + 25 = 5675
Step 228: 5675 + 25 = 5700
Step 229: 5700 + 25 = 5725
Step 230: 5725 + 25 = 5750
Step 231: 5750 + 25 = 5775
Step 232: 5775 + 25 = 5800
Step 233: 5800 + 25 = 5825
Step 234: 5825 + 25 = 5850
Step 235: 5850 + 25 = 5875
Step 236: 5875 + 25 = 5900
Step 237: 5900 + 25 = 5925
Step 238: 5925 + 25 = 5950
Step 239: 5950 + 25 = 5975
Step 240: 5975 + 25 = 6000
Step 241: 6000 + 25 = 6025
Step 242: 6025 + 25 = 6050
Step 243: 6050 + 25 = 6075
Step 244: 6075 + 25 = 6100
Step 245: 6100 + 25 = 6125
Step 246: 6125 + 25 = 6150
Step 247: 6150 + 25 = 6175
Step 248: 6175 + 25 = 6200
Step 249: 6200 + 25 = 6225
Step 250: 6225 + 25 = 6250

So, 25*250 = 6250