Alright, let's solve this math problem step by step. First, we have the number 50. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 427. So, we're going to take the number 50 and add it to itself 427 times.
Step 1: 0 + 50 = 50
Step 2: 50 + 50 = 100
Step 3: 100 + 50 = 150
Step 4: 150 + 50 = 200
Step 5: 200 + 50 = 250
Step 6: 250 + 50 = 300
Step 7: 300 + 50 = 350
Step 8: 350 + 50 = 400
Step 9: 400 + 50 = 450
Step 10: 450 + 50 = 500
Step 11: 500 + 50 = 550
Step 12: 550 + 50 = 600
Step 13: 600 + 50 = 650
Step 14: 650 + 50 = 700
Step 15: 700 + 50 = 750
Step 16: 750 + 50 = 800
Step 17: 800 + 50 = 850
Step 18: 850 + 50 = 900
Step 19: 900 + 50 = 950
Step 20: 950 + 50 = 1000
Step 21: 1000 + 50 = 1050
Step 22: 1050 + 50 = 1100
Step 23: 1100 + 50 = 1150
Step 24: 1150 + 50 = 1200
Step 25: 1200 + 50 = 1250
Step 26: 1250 + 50 = 1300
Step 27: 1300 + 50 = 1350
Step 28: 1350 + 50 = 1400
Step 29: 1400 + 50 = 1450
Step 30: 1450 + 50 = 1500
Step 31: 1500 + 50 = 1550
Step 32: 1550 + 50 = 1600
Step 33: 1600 + 50 = 1650
Step 34: 1650 + 50 = 1700
Step 35: 1700 + 50 = 1750
Step 36: 1750 + 50 = 1800
Step 37: 1800 + 50 = 1850
Step 38: 1850 + 50 = 1900
Step 39: 1900 + 50 = 1950
Step 40: 1950 + 50 = 2000
Step 41: 2000 + 50 = 2050
Step 42: 2050 + 50 = 2100
Step 43: 2100 + 50 = 2150
Step 44: 2150 + 50 = 2200
Step 45: 2200 + 50 = 2250
Step 46: 2250 + 50 = 2300
Step 47: 2300 + 50 = 2350
Step 48: 2350 + 50 = 2400
Step 49: 2400 + 50 = 2450
Step 50: 2450 + 50 = 2500
Step 51: 2500 + 50 = 2550
Step 52: 2550 + 50 = 2600
Step 53: 2600 + 50 = 2650
Step 54: 2650 + 50 = 2700
Step 55: 2700 + 50 = 2750
Step 56: 2750 + 50 = 2800
Step 57: 2800 + 50 = 2850
Step 58: 2850 + 50 = 2900
Step 59: 2900 + 50 = 2950
Step 60: 2950 + 50 = 3000
Step 61: 3000 + 50 = 3050
Step 62: 3050 + 50 = 3100
Step 63: 3100 + 50 = 3150
Step 64: 3150 + 50 = 3200
Step 65: 3200 + 50 = 3250
Step 66: 3250 + 50 = 3300
Step 67: 3300 + 50 = 3350
Step 68: 3350 + 50 = 3400
Step 69: 3400 + 50 = 3450
Step 70: 3450 + 50 = 3500
Step 71: 3500 + 50 = 3550
Step 72: 3550 + 50 = 3600
Step 73: 3600 + 50 = 3650
Step 74: 3650 + 50 = 3700
Step 75: 3700 + 50 = 3750
Step 76: 3750 + 50 = 3800
Step 77: 3800 + 50 = 3850
Step 78: 3850 + 50 = 3900
Step 79: 3900 + 50 = 3950
Step 80: 3950 + 50 = 4000
Step 81: 4000 + 50 = 4050
Step 82: 4050 + 50 = 4100
Step 83: 4100 + 50 = 4150
Step 84: 4150 + 50 = 4200
Step 85: 4200 + 50 = 4250
Step 86: 4250 + 50 = 4300
Step 87: 4300 + 50 = 4350
Step 88: 4350 + 50 = 4400
Step 89: 4400 + 50 = 4450
Step 90: 4450 + 50 = 4500
Step 91: 4500 + 50 = 4550
Step 92: 4550 + 50 = 4600
Step 93: 4600 + 50 = 4650
Step 94: 4650 + 50 = 4700
Step 95: 4700 + 50 = 4750
Step 96: 4750 + 50 = 4800
Step 97: 4800 + 50 = 4850
Step 98: 4850 + 50 = 4900
Step 99: 4900 + 50 = 4950
Step 100: 4950 + 50 = 5000
Step 101: 5000 + 50 = 5050
Step 102: 5050 + 50 = 5100
Step 103: 5100 + 50 = 5150
Step 104: 5150 + 50 = 5200
Step 105: 5200 + 50 = 5250
Step 106: 5250 + 50 = 5300
Step 107: 5300 + 50 = 5350
Step 108: 5350 + 50 = 5400
Step 109: 5400 + 50 = 5450
Step 110: 5450 + 50 = 5500
Step 111: 5500 + 50 = 5550
Step 112: 5550 + 50 = 5600
Step 113: 5600 + 50 = 5650
Step 114: 5650 + 50 = 5700
Step 115: 5700 + 50 = 5750
Step 116: 5750 + 50 = 5800
Step 117: 5800 + 50 = 5850
Step 118: 5850 + 50 = 5900
Step 119: 5900 + 50 = 5950
Step 120: 5950 + 50 = 6000
Step 121: 6000 + 50 = 6050
Step 122: 6050 + 50 = 6100
Step 123: 6100 + 50 = 6150
Step 124: 6150 + 50 = 6200
Step 125: 6200 + 50 = 6250
Step 126: 6250 + 50 = 6300
Step 127: 6300 + 50 = 6350
Step 128: 6350 + 50 = 6400
Step 129: 6400 + 50 = 6450
Step 130: 6450 + 50 = 6500
Step 131: 6500 + 50 = 6550
Step 132: 6550 + 50 = 6600
Step 133: 6600 + 50 = 6650
Step 134: 6650 + 50 = 6700
Step 135: 6700 + 50 = 6750
Step 136: 6750 + 50 = 6800
Step 137: 6800 + 50 = 6850
Step 138: 6850 + 50 = 6900
Step 139: 6900 + 50 = 6950
Step 140: 6950 + 50 = 7000
Step 141: 7000 + 50 = 7050
Step 142: 7050 + 50 = 7100
Step 143: 7100 + 50 = 7150
Step 144: 7150 + 50 = 7200
Step 145: 7200 + 50 = 7250
Step 146: 7250 + 50 = 7300
Step 147: 7300 + 50 = 7350
Step 148: 7350 + 50 = 7400
Step 149: 7400 + 50 = 7450
Step 150: 7450 + 50 = 7500
Step 151: 7500 + 50 = 7550
Step 152: 7550 + 50 = 7600
Step 153: 7600 + 50 = 7650
Step 154: 7650 + 50 = 7700
Step 155: 7700 + 50 = 7750
Step 156: 7750 + 50 = 7800
Step 157: 7800 + 50 = 7850
Step 158: 7850 + 50 = 7900
Step 159: 7900 + 50 = 7950
Step 160: 7950 + 50 = 8000
Step 161: 8000 + 50 = 8050
Step 162: 8050 + 50 = 8100
Step 163: 8100 + 50 = 8150
Step 164: 8150 + 50 = 8200
Step 165: 8200 + 50 = 8250
Step 166: 8250 + 50 = 8300
Step 167: 8300 + 50 = 8350
Step 168: 8350 + 50 = 8400
Step 169: 8400 + 50 = 8450
Step 170: 8450 + 50 = 8500
Step 171: 8500 + 50 = 8550
Step 172: 8550 + 50 = 8600
Step 173: 8600 + 50 = 8650
Step 174: 8650 + 50 = 8700
Step 175: 8700 + 50 = 8750
Step 176: 8750 + 50 = 8800
Step 177: 8800 + 50 = 8850
Step 178: 8850 + 50 = 8900
Step 179: 8900 + 50 = 8950
Step 180: 8950 + 50 = 9000
Step 181: 9000 + 50 = 9050
Step 182: 9050 + 50 = 9100
Step 183: 9100 + 50 = 9150
Step 184: 9150 + 50 = 9200
Step 185: 9200 + 50 = 9250
Step 186: 9250 + 50 = 9300
Step 187: 9300 + 50 = 9350
Step 188: 9350 + 50 = 9400
Step 189: 9400 + 50 = 9450
Step 190: 9450 + 50 = 9500
Step 191: 9500 + 50 = 9550
Step 192: 9550 + 50 = 9600
Step 193: 9600 + 50 = 9650
Step 194: 9650 + 50 = 9700
Step 195: 9700 + 50 = 9750
Step 196: 9750 + 50 = 9800
Step 197: 9800 + 50 = 9850
Step 198: 9850 + 50 = 9900
Step 199: 9900 + 50 = 9950
Step 200: 9950 + 50 = 10000
Step 201: 10000 + 50 = 10050
Step 202: 10050 + 50 = 10100
Step 203: 10100 + 50 = 10150
Step 204: 10150 + 50 = 10200
Step 205: 10200 + 50 = 10250
Step 206: 10250 + 50 = 10300
Step 207: 10300 + 50 = 10350
Step 208: 10350 + 50 = 10400
Step 209: 10400 + 50 = 10450
Step 210: 10450 + 50 = 10500
Step 211: 10500 + 50 = 10550
Step 212: 10550 + 50 = 10600
Step 213: 10600 + 50 = 10650
Step 214: 10650 + 50 = 10700
Step 215: 10700 + 50 = 10750
Step 216: 10750 + 50 = 10800
Step 217: 10800 + 50 = 10850
Step 218: 10850 + 50 = 10900
Step 219: 10900 + 50 = 10950
Step 220: 10950 + 50 = 11000
Step 221: 11000 + 50 = 11050
Step 222: 11050 + 50 = 11100
Step 223: 11100 + 50 = 11150
Step 224: 11150 + 50 = 11200
Step 225: 11200 + 50 = 11250
Step 226: 11250 + 50 = 11300
Step 227: 11300 + 50 = 11350
Step 228: 11350 + 50 = 11400
Step 229: 11400 + 50 = 11450
Step 230: 11450 + 50 = 11500
Step 231: 11500 + 50 = 11550
Step 232: 11550 + 50 = 11600
Step 233: 11600 + 50 = 11650
Step 234: 11650 + 50 = 11700
Step 235: 11700 + 50 = 11750
Step 236: 11750 + 50 = 11800
Step 237: 11800 + 50 = 11850
Step 238: 11850 + 50 = 11900
Step 239: 11900 + 50 = 11950
Step 240: 11950 + 50 = 12000
Step 241: 12000 + 50 = 12050
Step 242: 12050 + 50 = 12100
Step 243: 12100 + 50 = 12150
Step 244: 12150 + 50 = 12200
Step 245: 12200 + 50 = 12250
Step 246: 12250 + 50 = 12300
Step 247: 12300 + 50 = 12350
Step 248: 12350 + 50 = 12400
Step 249: 12400 + 50 = 12450
Step 250: 12450 + 50 = 12500
Step 251: 12500 + 50 = 12550
Step 252: 12550 + 50 = 12600
Step 253: 12600 + 50 = 12650
Step 254: 12650 + 50 = 12700
Step 255: 12700 + 50 = 12750
Step 256: 12750 + 50 = 12800
Step 257: 12800 + 50 = 12850
Step 258: 12850 + 50 = 12900
Step 259: 12900 + 50 = 12950
Step 260: 12950 + 50 = 13000
Step 261: 13000 + 50 = 13050
Step 262: 13050 + 50 = 13100
Step 263: 13100 + 50 = 13150
Step 264: 13150 + 50 = 13200
Step 265: 13200 + 50 = 13250
Step 266: 13250 + 50 = 13300
Step 267: 13300 + 50 = 13350
Step 268: 13350 + 50 = 13400
Step 269: 13400 + 50 = 13450
Step 270: 13450 + 50 = 13500
Step 271: 13500 + 50 = 13550
Step 272: 13550 + 50 = 13600
Step 273: 13600 + 50 = 13650
Step 274: 13650 + 50 = 13700
Step 275: 13700 + 50 = 13750
Step 276: 13750 + 50 = 13800
Step 277: 13800 + 50 = 13850
Step 278: 13850 + 50 = 13900
Step 279: 13900 + 50 = 13950
Step 280: 13950 + 50 = 14000
Step 281: 14000 + 50 = 14050
Step 282: 14050 + 50 = 14100
Step 283: 14100 + 50 = 14150
Step 284: 14150 + 50 = 14200
Step 285: 14200 + 50 = 14250
Step 286: 14250 + 50 = 14300
Step 287: 14300 + 50 = 14350
Step 288: 14350 + 50 = 14400
Step 289: 14400 + 50 = 14450
Step 290: 14450 + 50 = 14500
Step 291: 14500 + 50 = 14550
Step 292: 14550 + 50 = 14600
Step 293: 14600 + 50 = 14650
Step 294: 14650 + 50 = 14700
Step 295: 14700 + 50 = 14750
Step 296: 14750 + 50 = 14800
Step 297: 14800 + 50 = 14850
Step 298: 14850 + 50 = 14900
Step 299: 14900 + 50 = 14950
Step 300: 14950 + 50 = 15000
Step 301: 15000 + 50 = 15050
Step 302: 15050 + 50 = 15100
Step 303: 15100 + 50 = 15150
Step 304: 15150 + 50 = 15200
Step 305: 15200 + 50 = 15250
Step 306: 15250 + 50 = 15300
Step 307: 15300 + 50 = 15350
Step 308: 15350 + 50 = 15400
Step 309: 15400 + 50 = 15450
Step 310: 15450 + 50 = 15500
Step 311: 15500 + 50 = 15550
Step 312: 15550 + 50 = 15600
Step 313: 15600 + 50 = 15650
Step 314: 15650 + 50 = 15700
Step 315: 15700 + 50 = 15750
Step 316: 15750 + 50 = 15800
Step 317: 15800 + 50 = 15850
Step 318: 15850 + 50 = 15900
Step 319: 15900 + 50 = 15950
Step 320: 15950 + 50 = 16000
Step 321: 16000 + 50 = 16050
Step 322: 16050 + 50 = 16100
Step 323: 16100 + 50 = 16150
Step 324: 16150 + 50 = 16200
Step 325: 16200 + 50 = 16250
Step 326: 16250 + 50 = 16300
Step 327: 16300 + 50 = 16350
Step 328: 16350 + 50 = 16400
Step 329: 16400 + 50 = 16450
Step 330: 16450 + 50 = 16500
Step 331: 16500 + 50 = 16550
Step 332: 16550 + 50 = 16600
Step 333: 16600 + 50 = 16650
Step 334: 16650 + 50 = 16700
Step 335: 16700 + 50 = 16750
Step 336: 16750 + 50 = 16800
Step 337: 16800 + 50 = 16850
Step 338: 16850 + 50 = 16900
Step 339: 16900 + 50 = 16950
Step 340: 16950 + 50 = 17000
Step 341: 17000 + 50 = 17050
Step 342: 17050 + 50 = 17100
Step 343: 17100 + 50 = 17150
Step 344: 17150 + 50 = 17200
Step 345: 17200 + 50 = 17250
Step 346: 17250 + 50 = 17300
Step 347: 17300 + 50 = 17350
Step 348: 17350 + 50 = 17400
Step 349: 17400 + 50 = 17450
Step 350: 17450 + 50 = 17500
Step 351: 17500 + 50 = 17550
Step 352: 17550 + 50 = 17600
Step 353: 17600 + 50 = 17650
Step 354: 17650 + 50 = 17700
Step 355: 17700 + 50 = 17750
Step 356: 17750 + 50 = 17800
Step 357: 17800 + 50 = 17850
Step 358: 17850 + 50 = 17900
Step 359: 17900 + 50 = 17950
Step 360: 17950 + 50 = 18000
Step 361: 18000 + 50 = 18050
Step 362: 18050 + 50 = 18100
Step 363: 18100 + 50 = 18150
Step 364: 18150 + 50 = 18200
Step 365: 18200 + 50 = 18250
Step 366: 18250 + 50 = 18300
Step 367: 18300 + 50 = 18350
Step 368: 18350 + 50 = 18400
Step 369: 18400 + 50 = 18450
Step 370: 18450 + 50 = 18500
Step 371: 18500 + 50 = 18550
Step 372: 18550 + 50 = 18600
Step 373: 18600 + 50 = 18650
Step 374: 18650 + 50 = 18700
Step 375: 18700 + 50 = 18750
Step 376: 18750 + 50 = 18800
Step 377: 18800 + 50 = 18850
Step 378: 18850 + 50 = 18900
Step 379: 18900 + 50 = 18950
Step 380: 18950 + 50 = 19000
Step 381: 19000 + 50 = 19050
Step 382: 19050 + 50 = 19100
Step 383: 19100 + 50 = 19150
Step 384: 19150 + 50 = 19200
Step 385: 19200 + 50 = 19250
Step 386: 19250 + 50 = 19300
Step 387: 19300 + 50 = 19350
Step 388: 19350 + 50 = 19400
Step 389: 19400 + 50 = 19450
Step 390: 19450 + 50 = 19500
Step 391: 19500 + 50 = 19550
Step 392: 19550 + 50 = 19600
Step 393: 19600 + 50 = 19650
Step 394: 19650 + 50 = 19700
Step 395: 19700 + 50 = 19750
Step 396: 19750 + 50 = 19800
Step 397: 19800 + 50 = 19850
Step 398: 19850 + 50 = 19900
Step 399: 19900 + 50 = 19950
Step 400: 19950 + 50 = 20000
Step 401: 20000 + 50 = 20050
Step 402: 20050 + 50 = 20100
Step 403: 20100 + 50 = 20150
Step 404: 20150 + 50 = 20200
Step 405: 20200 + 50 = 20250
Step 406: 20250 + 50 = 20300
Step 407: 20300 + 50 = 20350
Step 408: 20350 + 50 = 20400
Step 409: 20400 + 50 = 20450
Step 410: 20450 + 50 = 20500
Step 411: 20500 + 50 = 20550
Step 412: 20550 + 50 = 20600
Step 413: 20600 + 50 = 20650
Step 414: 20650 + 50 = 20700
Step 415: 20700 + 50 = 20750
Step 416: 20750 + 50 = 20800
Step 417: 20800 + 50 = 20850
Step 418: 20850 + 50 = 20900
Step 419: 20900 + 50 = 20950
Step 420: 20950 + 50 = 21000
Step 421: 21000 + 50 = 21050
Step 422: 21050 + 50 = 21100
Step 423: 21100 + 50 = 21150
Step 424: 21150 + 50 = 21200
Step 425: 21200 + 50 = 21250
Step 426: 21250 + 50 = 21300
Step 427: 21300 + 50 = 21350

So, 50*427 = 21350