Alright, let's solve this math problem step by step. First, we have the number 507. 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 507 and add it to itself 427 times.
Step 1: 0 + 507 = 507
Step 2: 507 + 507 = 1014
Step 3: 1014 + 507 = 1521
Step 4: 1521 + 507 = 2028
Step 5: 2028 + 507 = 2535
Step 6: 2535 + 507 = 3042
Step 7: 3042 + 507 = 3549
Step 8: 3549 + 507 = 4056
Step 9: 4056 + 507 = 4563
Step 10: 4563 + 507 = 5070
Step 11: 5070 + 507 = 5577
Step 12: 5577 + 507 = 6084
Step 13: 6084 + 507 = 6591
Step 14: 6591 + 507 = 7098
Step 15: 7098 + 507 = 7605
Step 16: 7605 + 507 = 8112
Step 17: 8112 + 507 = 8619
Step 18: 8619 + 507 = 9126
Step 19: 9126 + 507 = 9633
Step 20: 9633 + 507 = 10140
Step 21: 10140 + 507 = 10647
Step 22: 10647 + 507 = 11154
Step 23: 11154 + 507 = 11661
Step 24: 11661 + 507 = 12168
Step 25: 12168 + 507 = 12675
Step 26: 12675 + 507 = 13182
Step 27: 13182 + 507 = 13689
Step 28: 13689 + 507 = 14196
Step 29: 14196 + 507 = 14703
Step 30: 14703 + 507 = 15210
Step 31: 15210 + 507 = 15717
Step 32: 15717 + 507 = 16224
Step 33: 16224 + 507 = 16731
Step 34: 16731 + 507 = 17238
Step 35: 17238 + 507 = 17745
Step 36: 17745 + 507 = 18252
Step 37: 18252 + 507 = 18759
Step 38: 18759 + 507 = 19266
Step 39: 19266 + 507 = 19773
Step 40: 19773 + 507 = 20280
Step 41: 20280 + 507 = 20787
Step 42: 20787 + 507 = 21294
Step 43: 21294 + 507 = 21801
Step 44: 21801 + 507 = 22308
Step 45: 22308 + 507 = 22815
Step 46: 22815 + 507 = 23322
Step 47: 23322 + 507 = 23829
Step 48: 23829 + 507 = 24336
Step 49: 24336 + 507 = 24843
Step 50: 24843 + 507 = 25350
Step 51: 25350 + 507 = 25857
Step 52: 25857 + 507 = 26364
Step 53: 26364 + 507 = 26871
Step 54: 26871 + 507 = 27378
Step 55: 27378 + 507 = 27885
Step 56: 27885 + 507 = 28392
Step 57: 28392 + 507 = 28899
Step 58: 28899 + 507 = 29406
Step 59: 29406 + 507 = 29913
Step 60: 29913 + 507 = 30420
Step 61: 30420 + 507 = 30927
Step 62: 30927 + 507 = 31434
Step 63: 31434 + 507 = 31941
Step 64: 31941 + 507 = 32448
Step 65: 32448 + 507 = 32955
Step 66: 32955 + 507 = 33462
Step 67: 33462 + 507 = 33969
Step 68: 33969 + 507 = 34476
Step 69: 34476 + 507 = 34983
Step 70: 34983 + 507 = 35490
Step 71: 35490 + 507 = 35997
Step 72: 35997 + 507 = 36504
Step 73: 36504 + 507 = 37011
Step 74: 37011 + 507 = 37518
Step 75: 37518 + 507 = 38025
Step 76: 38025 + 507 = 38532
Step 77: 38532 + 507 = 39039
Step 78: 39039 + 507 = 39546
Step 79: 39546 + 507 = 40053
Step 80: 40053 + 507 = 40560
Step 81: 40560 + 507 = 41067
Step 82: 41067 + 507 = 41574
Step 83: 41574 + 507 = 42081
Step 84: 42081 + 507 = 42588
Step 85: 42588 + 507 = 43095
Step 86: 43095 + 507 = 43602
Step 87: 43602 + 507 = 44109
Step 88: 44109 + 507 = 44616
Step 89: 44616 + 507 = 45123
Step 90: 45123 + 507 = 45630
Step 91: 45630 + 507 = 46137
Step 92: 46137 + 507 = 46644
Step 93: 46644 + 507 = 47151
Step 94: 47151 + 507 = 47658
Step 95: 47658 + 507 = 48165
Step 96: 48165 + 507 = 48672
Step 97: 48672 + 507 = 49179
Step 98: 49179 + 507 = 49686
Step 99: 49686 + 507 = 50193
Step 100: 50193 + 507 = 50700
Step 101: 50700 + 507 = 51207
Step 102: 51207 + 507 = 51714
Step 103: 51714 + 507 = 52221
Step 104: 52221 + 507 = 52728
Step 105: 52728 + 507 = 53235
Step 106: 53235 + 507 = 53742
Step 107: 53742 + 507 = 54249
Step 108: 54249 + 507 = 54756
Step 109: 54756 + 507 = 55263
Step 110: 55263 + 507 = 55770
Step 111: 55770 + 507 = 56277
Step 112: 56277 + 507 = 56784
Step 113: 56784 + 507 = 57291
Step 114: 57291 + 507 = 57798
Step 115: 57798 + 507 = 58305
Step 116: 58305 + 507 = 58812
Step 117: 58812 + 507 = 59319
Step 118: 59319 + 507 = 59826
Step 119: 59826 + 507 = 60333
Step 120: 60333 + 507 = 60840
Step 121: 60840 + 507 = 61347
Step 122: 61347 + 507 = 61854
Step 123: 61854 + 507 = 62361
Step 124: 62361 + 507 = 62868
Step 125: 62868 + 507 = 63375
Step 126: 63375 + 507 = 63882
Step 127: 63882 + 507 = 64389
Step 128: 64389 + 507 = 64896
Step 129: 64896 + 507 = 65403
Step 130: 65403 + 507 = 65910
Step 131: 65910 + 507 = 66417
Step 132: 66417 + 507 = 66924
Step 133: 66924 + 507 = 67431
Step 134: 67431 + 507 = 67938
Step 135: 67938 + 507 = 68445
Step 136: 68445 + 507 = 68952
Step 137: 68952 + 507 = 69459
Step 138: 69459 + 507 = 69966
Step 139: 69966 + 507 = 70473
Step 140: 70473 + 507 = 70980
Step 141: 70980 + 507 = 71487
Step 142: 71487 + 507 = 71994
Step 143: 71994 + 507 = 72501
Step 144: 72501 + 507 = 73008
Step 145: 73008 + 507 = 73515
Step 146: 73515 + 507 = 74022
Step 147: 74022 + 507 = 74529
Step 148: 74529 + 507 = 75036
Step 149: 75036 + 507 = 75543
Step 150: 75543 + 507 = 76050
Step 151: 76050 + 507 = 76557
Step 152: 76557 + 507 = 77064
Step 153: 77064 + 507 = 77571
Step 154: 77571 + 507 = 78078
Step 155: 78078 + 507 = 78585
Step 156: 78585 + 507 = 79092
Step 157: 79092 + 507 = 79599
Step 158: 79599 + 507 = 80106
Step 159: 80106 + 507 = 80613
Step 160: 80613 + 507 = 81120
Step 161: 81120 + 507 = 81627
Step 162: 81627 + 507 = 82134
Step 163: 82134 + 507 = 82641
Step 164: 82641 + 507 = 83148
Step 165: 83148 + 507 = 83655
Step 166: 83655 + 507 = 84162
Step 167: 84162 + 507 = 84669
Step 168: 84669 + 507 = 85176
Step 169: 85176 + 507 = 85683
Step 170: 85683 + 507 = 86190
Step 171: 86190 + 507 = 86697
Step 172: 86697 + 507 = 87204
Step 173: 87204 + 507 = 87711
Step 174: 87711 + 507 = 88218
Step 175: 88218 + 507 = 88725
Step 176: 88725 + 507 = 89232
Step 177: 89232 + 507 = 89739
Step 178: 89739 + 507 = 90246
Step 179: 90246 + 507 = 90753
Step 180: 90753 + 507 = 91260
Step 181: 91260 + 507 = 91767
Step 182: 91767 + 507 = 92274
Step 183: 92274 + 507 = 92781
Step 184: 92781 + 507 = 93288
Step 185: 93288 + 507 = 93795
Step 186: 93795 + 507 = 94302
Step 187: 94302 + 507 = 94809
Step 188: 94809 + 507 = 95316
Step 189: 95316 + 507 = 95823
Step 190: 95823 + 507 = 96330
Step 191: 96330 + 507 = 96837
Step 192: 96837 + 507 = 97344
Step 193: 97344 + 507 = 97851
Step 194: 97851 + 507 = 98358
Step 195: 98358 + 507 = 98865
Step 196: 98865 + 507 = 99372
Step 197: 99372 + 507 = 99879
Step 198: 99879 + 507 = 100386
Step 199: 100386 + 507 = 100893
Step 200: 100893 + 507 = 101400
Step 201: 101400 + 507 = 101907
Step 202: 101907 + 507 = 102414
Step 203: 102414 + 507 = 102921
Step 204: 102921 + 507 = 103428
Step 205: 103428 + 507 = 103935
Step 206: 103935 + 507 = 104442
Step 207: 104442 + 507 = 104949
Step 208: 104949 + 507 = 105456
Step 209: 105456 + 507 = 105963
Step 210: 105963 + 507 = 106470
Step 211: 106470 + 507 = 106977
Step 212: 106977 + 507 = 107484
Step 213: 107484 + 507 = 107991
Step 214: 107991 + 507 = 108498
Step 215: 108498 + 507 = 109005
Step 216: 109005 + 507 = 109512
Step 217: 109512 + 507 = 110019
Step 218: 110019 + 507 = 110526
Step 219: 110526 + 507 = 111033
Step 220: 111033 + 507 = 111540
Step 221: 111540 + 507 = 112047
Step 222: 112047 + 507 = 112554
Step 223: 112554 + 507 = 113061
Step 224: 113061 + 507 = 113568
Step 225: 113568 + 507 = 114075
Step 226: 114075 + 507 = 114582
Step 227: 114582 + 507 = 115089
Step 228: 115089 + 507 = 115596
Step 229: 115596 + 507 = 116103
Step 230: 116103 + 507 = 116610
Step 231: 116610 + 507 = 117117
Step 232: 117117 + 507 = 117624
Step 233: 117624 + 507 = 118131
Step 234: 118131 + 507 = 118638
Step 235: 118638 + 507 = 119145
Step 236: 119145 + 507 = 119652
Step 237: 119652 + 507 = 120159
Step 238: 120159 + 507 = 120666
Step 239: 120666 + 507 = 121173
Step 240: 121173 + 507 = 121680
Step 241: 121680 + 507 = 122187
Step 242: 122187 + 507 = 122694
Step 243: 122694 + 507 = 123201
Step 244: 123201 + 507 = 123708
Step 245: 123708 + 507 = 124215
Step 246: 124215 + 507 = 124722
Step 247: 124722 + 507 = 125229
Step 248: 125229 + 507 = 125736
Step 249: 125736 + 507 = 126243
Step 250: 126243 + 507 = 126750
Step 251: 126750 + 507 = 127257
Step 252: 127257 + 507 = 127764
Step 253: 127764 + 507 = 128271
Step 254: 128271 + 507 = 128778
Step 255: 128778 + 507 = 129285
Step 256: 129285 + 507 = 129792
Step 257: 129792 + 507 = 130299
Step 258: 130299 + 507 = 130806
Step 259: 130806 + 507 = 131313
Step 260: 131313 + 507 = 131820
Step 261: 131820 + 507 = 132327
Step 262: 132327 + 507 = 132834
Step 263: 132834 + 507 = 133341
Step 264: 133341 + 507 = 133848
Step 265: 133848 + 507 = 134355
Step 266: 134355 + 507 = 134862
Step 267: 134862 + 507 = 135369
Step 268: 135369 + 507 = 135876
Step 269: 135876 + 507 = 136383
Step 270: 136383 + 507 = 136890
Step 271: 136890 + 507 = 137397
Step 272: 137397 + 507 = 137904
Step 273: 137904 + 507 = 138411
Step 274: 138411 + 507 = 138918
Step 275: 138918 + 507 = 139425
Step 276: 139425 + 507 = 139932
Step 277: 139932 + 507 = 140439
Step 278: 140439 + 507 = 140946
Step 279: 140946 + 507 = 141453
Step 280: 141453 + 507 = 141960
Step 281: 141960 + 507 = 142467
Step 282: 142467 + 507 = 142974
Step 283: 142974 + 507 = 143481
Step 284: 143481 + 507 = 143988
Step 285: 143988 + 507 = 144495
Step 286: 144495 + 507 = 145002
Step 287: 145002 + 507 = 145509
Step 288: 145509 + 507 = 146016
Step 289: 146016 + 507 = 146523
Step 290: 146523 + 507 = 147030
Step 291: 147030 + 507 = 147537
Step 292: 147537 + 507 = 148044
Step 293: 148044 + 507 = 148551
Step 294: 148551 + 507 = 149058
Step 295: 149058 + 507 = 149565
Step 296: 149565 + 507 = 150072
Step 297: 150072 + 507 = 150579
Step 298: 150579 + 507 = 151086
Step 299: 151086 + 507 = 151593
Step 300: 151593 + 507 = 152100
Step 301: 152100 + 507 = 152607
Step 302: 152607 + 507 = 153114
Step 303: 153114 + 507 = 153621
Step 304: 153621 + 507 = 154128
Step 305: 154128 + 507 = 154635
Step 306: 154635 + 507 = 155142
Step 307: 155142 + 507 = 155649
Step 308: 155649 + 507 = 156156
Step 309: 156156 + 507 = 156663
Step 310: 156663 + 507 = 157170
Step 311: 157170 + 507 = 157677
Step 312: 157677 + 507 = 158184
Step 313: 158184 + 507 = 158691
Step 314: 158691 + 507 = 159198
Step 315: 159198 + 507 = 159705
Step 316: 159705 + 507 = 160212
Step 317: 160212 + 507 = 160719
Step 318: 160719 + 507 = 161226
Step 319: 161226 + 507 = 161733
Step 320: 161733 + 507 = 162240
Step 321: 162240 + 507 = 162747
Step 322: 162747 + 507 = 163254
Step 323: 163254 + 507 = 163761
Step 324: 163761 + 507 = 164268
Step 325: 164268 + 507 = 164775
Step 326: 164775 + 507 = 165282
Step 327: 165282 + 507 = 165789
Step 328: 165789 + 507 = 166296
Step 329: 166296 + 507 = 166803
Step 330: 166803 + 507 = 167310
Step 331: 167310 + 507 = 167817
Step 332: 167817 + 507 = 168324
Step 333: 168324 + 507 = 168831
Step 334: 168831 + 507 = 169338
Step 335: 169338 + 507 = 169845
Step 336: 169845 + 507 = 170352
Step 337: 170352 + 507 = 170859
Step 338: 170859 + 507 = 171366
Step 339: 171366 + 507 = 171873
Step 340: 171873 + 507 = 172380
Step 341: 172380 + 507 = 172887
Step 342: 172887 + 507 = 173394
Step 343: 173394 + 507 = 173901
Step 344: 173901 + 507 = 174408
Step 345: 174408 + 507 = 174915
Step 346: 174915 + 507 = 175422
Step 347: 175422 + 507 = 175929
Step 348: 175929 + 507 = 176436
Step 349: 176436 + 507 = 176943
Step 350: 176943 + 507 = 177450
Step 351: 177450 + 507 = 177957
Step 352: 177957 + 507 = 178464
Step 353: 178464 + 507 = 178971
Step 354: 178971 + 507 = 179478
Step 355: 179478 + 507 = 179985
Step 356: 179985 + 507 = 180492
Step 357: 180492 + 507 = 180999
Step 358: 180999 + 507 = 181506
Step 359: 181506 + 507 = 182013
Step 360: 182013 + 507 = 182520
Step 361: 182520 + 507 = 183027
Step 362: 183027 + 507 = 183534
Step 363: 183534 + 507 = 184041
Step 364: 184041 + 507 = 184548
Step 365: 184548 + 507 = 185055
Step 366: 185055 + 507 = 185562
Step 367: 185562 + 507 = 186069
Step 368: 186069 + 507 = 186576
Step 369: 186576 + 507 = 187083
Step 370: 187083 + 507 = 187590
Step 371: 187590 + 507 = 188097
Step 372: 188097 + 507 = 188604
Step 373: 188604 + 507 = 189111
Step 374: 189111 + 507 = 189618
Step 375: 189618 + 507 = 190125
Step 376: 190125 + 507 = 190632
Step 377: 190632 + 507 = 191139
Step 378: 191139 + 507 = 191646
Step 379: 191646 + 507 = 192153
Step 380: 192153 + 507 = 192660
Step 381: 192660 + 507 = 193167
Step 382: 193167 + 507 = 193674
Step 383: 193674 + 507 = 194181
Step 384: 194181 + 507 = 194688
Step 385: 194688 + 507 = 195195
Step 386: 195195 + 507 = 195702
Step 387: 195702 + 507 = 196209
Step 388: 196209 + 507 = 196716
Step 389: 196716 + 507 = 197223
Step 390: 197223 + 507 = 197730
Step 391: 197730 + 507 = 198237
Step 392: 198237 + 507 = 198744
Step 393: 198744 + 507 = 199251
Step 394: 199251 + 507 = 199758
Step 395: 199758 + 507 = 200265
Step 396: 200265 + 507 = 200772
Step 397: 200772 + 507 = 201279
Step 398: 201279 + 507 = 201786
Step 399: 201786 + 507 = 202293
Step 400: 202293 + 507 = 202800
Step 401: 202800 + 507 = 203307
Step 402: 203307 + 507 = 203814
Step 403: 203814 + 507 = 204321
Step 404: 204321 + 507 = 204828
Step 405: 204828 + 507 = 205335
Step 406: 205335 + 507 = 205842
Step 407: 205842 + 507 = 206349
Step 408: 206349 + 507 = 206856
Step 409: 206856 + 507 = 207363
Step 410: 207363 + 507 = 207870
Step 411: 207870 + 507 = 208377
Step 412: 208377 + 507 = 208884
Step 413: 208884 + 507 = 209391
Step 414: 209391 + 507 = 209898
Step 415: 209898 + 507 = 210405
Step 416: 210405 + 507 = 210912
Step 417: 210912 + 507 = 211419
Step 418: 211419 + 507 = 211926
Step 419: 211926 + 507 = 212433
Step 420: 212433 + 507 = 212940
Step 421: 212940 + 507 = 213447
Step 422: 213447 + 507 = 213954
Step 423: 213954 + 507 = 214461
Step 424: 214461 + 507 = 214968
Step 425: 214968 + 507 = 215475
Step 426: 215475 + 507 = 215982
Step 427: 215982 + 507 = 216489

So, 507*427 = 216489