Let's get this math done. We have 511 and we're going to multiply it by 453. This is the same as taking 511 and adding it to itself 453 times.
Step 1: 0 + 511 = 511
Step 2: 511 + 511 = 1022
Step 3: 1022 + 511 = 1533
Step 4: 1533 + 511 = 2044
Step 5: 2044 + 511 = 2555
Step 6: 2555 + 511 = 3066
Step 7: 3066 + 511 = 3577
Step 8: 3577 + 511 = 4088
Step 9: 4088 + 511 = 4599
Step 10: 4599 + 511 = 5110
Step 11: 5110 + 511 = 5621
Step 12: 5621 + 511 = 6132
Step 13: 6132 + 511 = 6643
Step 14: 6643 + 511 = 7154
Step 15: 7154 + 511 = 7665
Step 16: 7665 + 511 = 8176
Step 17: 8176 + 511 = 8687
Step 18: 8687 + 511 = 9198
Step 19: 9198 + 511 = 9709
Step 20: 9709 + 511 = 10220
Step 21: 10220 + 511 = 10731
Step 22: 10731 + 511 = 11242
Step 23: 11242 + 511 = 11753
Step 24: 11753 + 511 = 12264
Step 25: 12264 + 511 = 12775
Step 26: 12775 + 511 = 13286
Step 27: 13286 + 511 = 13797
Step 28: 13797 + 511 = 14308
Step 29: 14308 + 511 = 14819
Step 30: 14819 + 511 = 15330
Step 31: 15330 + 511 = 15841
Step 32: 15841 + 511 = 16352
Step 33: 16352 + 511 = 16863
Step 34: 16863 + 511 = 17374
Step 35: 17374 + 511 = 17885
Step 36: 17885 + 511 = 18396
Step 37: 18396 + 511 = 18907
Step 38: 18907 + 511 = 19418
Step 39: 19418 + 511 = 19929
Step 40: 19929 + 511 = 20440
Step 41: 20440 + 511 = 20951
Step 42: 20951 + 511 = 21462
Step 43: 21462 + 511 = 21973
Step 44: 21973 + 511 = 22484
Step 45: 22484 + 511 = 22995
Step 46: 22995 + 511 = 23506
Step 47: 23506 + 511 = 24017
Step 48: 24017 + 511 = 24528
Step 49: 24528 + 511 = 25039
Step 50: 25039 + 511 = 25550
Step 51: 25550 + 511 = 26061
Step 52: 26061 + 511 = 26572
Step 53: 26572 + 511 = 27083
Step 54: 27083 + 511 = 27594
Step 55: 27594 + 511 = 28105
Step 56: 28105 + 511 = 28616
Step 57: 28616 + 511 = 29127
Step 58: 29127 + 511 = 29638
Step 59: 29638 + 511 = 30149
Step 60: 30149 + 511 = 30660
Step 61: 30660 + 511 = 31171
Step 62: 31171 + 511 = 31682
Step 63: 31682 + 511 = 32193
Step 64: 32193 + 511 = 32704
Step 65: 32704 + 511 = 33215
Step 66: 33215 + 511 = 33726
Step 67: 33726 + 511 = 34237
Step 68: 34237 + 511 = 34748
Step 69: 34748 + 511 = 35259
Step 70: 35259 + 511 = 35770
Step 71: 35770 + 511 = 36281
Step 72: 36281 + 511 = 36792
Step 73: 36792 + 511 = 37303
Step 74: 37303 + 511 = 37814
Step 75: 37814 + 511 = 38325
Step 76: 38325 + 511 = 38836
Step 77: 38836 + 511 = 39347
Step 78: 39347 + 511 = 39858
Step 79: 39858 + 511 = 40369
Step 80: 40369 + 511 = 40880
Step 81: 40880 + 511 = 41391
Step 82: 41391 + 511 = 41902
Step 83: 41902 + 511 = 42413
Step 84: 42413 + 511 = 42924
Step 85: 42924 + 511 = 43435
Step 86: 43435 + 511 = 43946
Step 87: 43946 + 511 = 44457
Step 88: 44457 + 511 = 44968
Step 89: 44968 + 511 = 45479
Step 90: 45479 + 511 = 45990
Step 91: 45990 + 511 = 46501
Step 92: 46501 + 511 = 47012
Step 93: 47012 + 511 = 47523
Step 94: 47523 + 511 = 48034
Step 95: 48034 + 511 = 48545
Step 96: 48545 + 511 = 49056
Step 97: 49056 + 511 = 49567
Step 98: 49567 + 511 = 50078
Step 99: 50078 + 511 = 50589
Step 100: 50589 + 511 = 51100
Step 101: 51100 + 511 = 51611
Step 102: 51611 + 511 = 52122
Step 103: 52122 + 511 = 52633
Step 104: 52633 + 511 = 53144
Step 105: 53144 + 511 = 53655
Step 106: 53655 + 511 = 54166
Step 107: 54166 + 511 = 54677
Step 108: 54677 + 511 = 55188
Step 109: 55188 + 511 = 55699
Step 110: 55699 + 511 = 56210
Step 111: 56210 + 511 = 56721
Step 112: 56721 + 511 = 57232
Step 113: 57232 + 511 = 57743
Step 114: 57743 + 511 = 58254
Step 115: 58254 + 511 = 58765
Step 116: 58765 + 511 = 59276
Step 117: 59276 + 511 = 59787
Step 118: 59787 + 511 = 60298
Step 119: 60298 + 511 = 60809
Step 120: 60809 + 511 = 61320
Step 121: 61320 + 511 = 61831
Step 122: 61831 + 511 = 62342
Step 123: 62342 + 511 = 62853
Step 124: 62853 + 511 = 63364
Step 125: 63364 + 511 = 63875
Step 126: 63875 + 511 = 64386
Step 127: 64386 + 511 = 64897
Step 128: 64897 + 511 = 65408
Step 129: 65408 + 511 = 65919
Step 130: 65919 + 511 = 66430
Step 131: 66430 + 511 = 66941
Step 132: 66941 + 511 = 67452
Step 133: 67452 + 511 = 67963
Step 134: 67963 + 511 = 68474
Step 135: 68474 + 511 = 68985
Step 136: 68985 + 511 = 69496
Step 137: 69496 + 511 = 70007
Step 138: 70007 + 511 = 70518
Step 139: 70518 + 511 = 71029
Step 140: 71029 + 511 = 71540
Step 141: 71540 + 511 = 72051
Step 142: 72051 + 511 = 72562
Step 143: 72562 + 511 = 73073
Step 144: 73073 + 511 = 73584
Step 145: 73584 + 511 = 74095
Step 146: 74095 + 511 = 74606
Step 147: 74606 + 511 = 75117
Step 148: 75117 + 511 = 75628
Step 149: 75628 + 511 = 76139
Step 150: 76139 + 511 = 76650
Step 151: 76650 + 511 = 77161
Step 152: 77161 + 511 = 77672
Step 153: 77672 + 511 = 78183
Step 154: 78183 + 511 = 78694
Step 155: 78694 + 511 = 79205
Step 156: 79205 + 511 = 79716
Step 157: 79716 + 511 = 80227
Step 158: 80227 + 511 = 80738
Step 159: 80738 + 511 = 81249
Step 160: 81249 + 511 = 81760
Step 161: 81760 + 511 = 82271
Step 162: 82271 + 511 = 82782
Step 163: 82782 + 511 = 83293
Step 164: 83293 + 511 = 83804
Step 165: 83804 + 511 = 84315
Step 166: 84315 + 511 = 84826
Step 167: 84826 + 511 = 85337
Step 168: 85337 + 511 = 85848
Step 169: 85848 + 511 = 86359
Step 170: 86359 + 511 = 86870
Step 171: 86870 + 511 = 87381
Step 172: 87381 + 511 = 87892
Step 173: 87892 + 511 = 88403
Step 174: 88403 + 511 = 88914
Step 175: 88914 + 511 = 89425
Step 176: 89425 + 511 = 89936
Step 177: 89936 + 511 = 90447
Step 178: 90447 + 511 = 90958
Step 179: 90958 + 511 = 91469
Step 180: 91469 + 511 = 91980
Step 181: 91980 + 511 = 92491
Step 182: 92491 + 511 = 93002
Step 183: 93002 + 511 = 93513
Step 184: 93513 + 511 = 94024
Step 185: 94024 + 511 = 94535
Step 186: 94535 + 511 = 95046
Step 187: 95046 + 511 = 95557
Step 188: 95557 + 511 = 96068
Step 189: 96068 + 511 = 96579
Step 190: 96579 + 511 = 97090
Step 191: 97090 + 511 = 97601
Step 192: 97601 + 511 = 98112
Step 193: 98112 + 511 = 98623
Step 194: 98623 + 511 = 99134
Step 195: 99134 + 511 = 99645
Step 196: 99645 + 511 = 100156
Step 197: 100156 + 511 = 100667
Step 198: 100667 + 511 = 101178
Step 199: 101178 + 511 = 101689
Step 200: 101689 + 511 = 102200
Step 201: 102200 + 511 = 102711
Step 202: 102711 + 511 = 103222
Step 203: 103222 + 511 = 103733
Step 204: 103733 + 511 = 104244
Step 205: 104244 + 511 = 104755
Step 206: 104755 + 511 = 105266
Step 207: 105266 + 511 = 105777
Step 208: 105777 + 511 = 106288
Step 209: 106288 + 511 = 106799
Step 210: 106799 + 511 = 107310
Step 211: 107310 + 511 = 107821
Step 212: 107821 + 511 = 108332
Step 213: 108332 + 511 = 108843
Step 214: 108843 + 511 = 109354
Step 215: 109354 + 511 = 109865
Step 216: 109865 + 511 = 110376
Step 217: 110376 + 511 = 110887
Step 218: 110887 + 511 = 111398
Step 219: 111398 + 511 = 111909
Step 220: 111909 + 511 = 112420
Step 221: 112420 + 511 = 112931
Step 222: 112931 + 511 = 113442
Step 223: 113442 + 511 = 113953
Step 224: 113953 + 511 = 114464
Step 225: 114464 + 511 = 114975
Step 226: 114975 + 511 = 115486
Step 227: 115486 + 511 = 115997
Step 228: 115997 + 511 = 116508
Step 229: 116508 + 511 = 117019
Step 230: 117019 + 511 = 117530
Step 231: 117530 + 511 = 118041
Step 232: 118041 + 511 = 118552
Step 233: 118552 + 511 = 119063
Step 234: 119063 + 511 = 119574
Step 235: 119574 + 511 = 120085
Step 236: 120085 + 511 = 120596
Step 237: 120596 + 511 = 121107
Step 238: 121107 + 511 = 121618
Step 239: 121618 + 511 = 122129
Step 240: 122129 + 511 = 122640
Step 241: 122640 + 511 = 123151
Step 242: 123151 + 511 = 123662
Step 243: 123662 + 511 = 124173
Step 244: 124173 + 511 = 124684
Step 245: 124684 + 511 = 125195
Step 246: 125195 + 511 = 125706
Step 247: 125706 + 511 = 126217
Step 248: 126217 + 511 = 126728
Step 249: 126728 + 511 = 127239
Step 250: 127239 + 511 = 127750
Step 251: 127750 + 511 = 128261
Step 252: 128261 + 511 = 128772
Step 253: 128772 + 511 = 129283
Step 254: 129283 + 511 = 129794
Step 255: 129794 + 511 = 130305
Step 256: 130305 + 511 = 130816
Step 257: 130816 + 511 = 131327
Step 258: 131327 + 511 = 131838
Step 259: 131838 + 511 = 132349
Step 260: 132349 + 511 = 132860
Step 261: 132860 + 511 = 133371
Step 262: 133371 + 511 = 133882
Step 263: 133882 + 511 = 134393
Step 264: 134393 + 511 = 134904
Step 265: 134904 + 511 = 135415
Step 266: 135415 + 511 = 135926
Step 267: 135926 + 511 = 136437
Step 268: 136437 + 511 = 136948
Step 269: 136948 + 511 = 137459
Step 270: 137459 + 511 = 137970
Step 271: 137970 + 511 = 138481
Step 272: 138481 + 511 = 138992
Step 273: 138992 + 511 = 139503
Step 274: 139503 + 511 = 140014
Step 275: 140014 + 511 = 140525
Step 276: 140525 + 511 = 141036
Step 277: 141036 + 511 = 141547
Step 278: 141547 + 511 = 142058
Step 279: 142058 + 511 = 142569
Step 280: 142569 + 511 = 143080
Step 281: 143080 + 511 = 143591
Step 282: 143591 + 511 = 144102
Step 283: 144102 + 511 = 144613
Step 284: 144613 + 511 = 145124
Step 285: 145124 + 511 = 145635
Step 286: 145635 + 511 = 146146
Step 287: 146146 + 511 = 146657
Step 288: 146657 + 511 = 147168
Step 289: 147168 + 511 = 147679
Step 290: 147679 + 511 = 148190
Step 291: 148190 + 511 = 148701
Step 292: 148701 + 511 = 149212
Step 293: 149212 + 511 = 149723
Step 294: 149723 + 511 = 150234
Step 295: 150234 + 511 = 150745
Step 296: 150745 + 511 = 151256
Step 297: 151256 + 511 = 151767
Step 298: 151767 + 511 = 152278
Step 299: 152278 + 511 = 152789
Step 300: 152789 + 511 = 153300
Step 301: 153300 + 511 = 153811
Step 302: 153811 + 511 = 154322
Step 303: 154322 + 511 = 154833
Step 304: 154833 + 511 = 155344
Step 305: 155344 + 511 = 155855
Step 306: 155855 + 511 = 156366
Step 307: 156366 + 511 = 156877
Step 308: 156877 + 511 = 157388
Step 309: 157388 + 511 = 157899
Step 310: 157899 + 511 = 158410
Step 311: 158410 + 511 = 158921
Step 312: 158921 + 511 = 159432
Step 313: 159432 + 511 = 159943
Step 314: 159943 + 511 = 160454
Step 315: 160454 + 511 = 160965
Step 316: 160965 + 511 = 161476
Step 317: 161476 + 511 = 161987
Step 318: 161987 + 511 = 162498
Step 319: 162498 + 511 = 163009
Step 320: 163009 + 511 = 163520
Step 321: 163520 + 511 = 164031
Step 322: 164031 + 511 = 164542
Step 323: 164542 + 511 = 165053
Step 324: 165053 + 511 = 165564
Step 325: 165564 + 511 = 166075
Step 326: 166075 + 511 = 166586
Step 327: 166586 + 511 = 167097
Step 328: 167097 + 511 = 167608
Step 329: 167608 + 511 = 168119
Step 330: 168119 + 511 = 168630
Step 331: 168630 + 511 = 169141
Step 332: 169141 + 511 = 169652
Step 333: 169652 + 511 = 170163
Step 334: 170163 + 511 = 170674
Step 335: 170674 + 511 = 171185
Step 336: 171185 + 511 = 171696
Step 337: 171696 + 511 = 172207
Step 338: 172207 + 511 = 172718
Step 339: 172718 + 511 = 173229
Step 340: 173229 + 511 = 173740
Step 341: 173740 + 511 = 174251
Step 342: 174251 + 511 = 174762
Step 343: 174762 + 511 = 175273
Step 344: 175273 + 511 = 175784
Step 345: 175784 + 511 = 176295
Step 346: 176295 + 511 = 176806
Step 347: 176806 + 511 = 177317
Step 348: 177317 + 511 = 177828
Step 349: 177828 + 511 = 178339
Step 350: 178339 + 511 = 178850
Step 351: 178850 + 511 = 179361
Step 352: 179361 + 511 = 179872
Step 353: 179872 + 511 = 180383
Step 354: 180383 + 511 = 180894
Step 355: 180894 + 511 = 181405
Step 356: 181405 + 511 = 181916
Step 357: 181916 + 511 = 182427
Step 358: 182427 + 511 = 182938
Step 359: 182938 + 511 = 183449
Step 360: 183449 + 511 = 183960
Step 361: 183960 + 511 = 184471
Step 362: 184471 + 511 = 184982
Step 363: 184982 + 511 = 185493
Step 364: 185493 + 511 = 186004
Step 365: 186004 + 511 = 186515
Step 366: 186515 + 511 = 187026
Step 367: 187026 + 511 = 187537
Step 368: 187537 + 511 = 188048
Step 369: 188048 + 511 = 188559
Step 370: 188559 + 511 = 189070
Step 371: 189070 + 511 = 189581
Step 372: 189581 + 511 = 190092
Step 373: 190092 + 511 = 190603
Step 374: 190603 + 511 = 191114
Step 375: 191114 + 511 = 191625
Step 376: 191625 + 511 = 192136
Step 377: 192136 + 511 = 192647
Step 378: 192647 + 511 = 193158
Step 379: 193158 + 511 = 193669
Step 380: 193669 + 511 = 194180
Step 381: 194180 + 511 = 194691
Step 382: 194691 + 511 = 195202
Step 383: 195202 + 511 = 195713
Step 384: 195713 + 511 = 196224
Step 385: 196224 + 511 = 196735
Step 386: 196735 + 511 = 197246
Step 387: 197246 + 511 = 197757
Step 388: 197757 + 511 = 198268
Step 389: 198268 + 511 = 198779
Step 390: 198779 + 511 = 199290
Step 391: 199290 + 511 = 199801
Step 392: 199801 + 511 = 200312
Step 393: 200312 + 511 = 200823
Step 394: 200823 + 511 = 201334
Step 395: 201334 + 511 = 201845
Step 396: 201845 + 511 = 202356
Step 397: 202356 + 511 = 202867
Step 398: 202867 + 511 = 203378
Step 399: 203378 + 511 = 203889
Step 400: 203889 + 511 = 204400
Step 401: 204400 + 511 = 204911
Step 402: 204911 + 511 = 205422
Step 403: 205422 + 511 = 205933
Step 404: 205933 + 511 = 206444
Step 405: 206444 + 511 = 206955
Step 406: 206955 + 511 = 207466
Step 407: 207466 + 511 = 207977
Step 408: 207977 + 511 = 208488
Step 409: 208488 + 511 = 208999
Step 410: 208999 + 511 = 209510
Step 411: 209510 + 511 = 210021
Step 412: 210021 + 511 = 210532
Step 413: 210532 + 511 = 211043
Step 414: 211043 + 511 = 211554
Step 415: 211554 + 511 = 212065
Step 416: 212065 + 511 = 212576
Step 417: 212576 + 511 = 213087
Step 418: 213087 + 511 = 213598
Step 419: 213598 + 511 = 214109
Step 420: 214109 + 511 = 214620
Step 421: 214620 + 511 = 215131
Step 422: 215131 + 511 = 215642
Step 423: 215642 + 511 = 216153
Step 424: 216153 + 511 = 216664
Step 425: 216664 + 511 = 217175
Step 426: 217175 + 511 = 217686
Step 427: 217686 + 511 = 218197
Step 428: 218197 + 511 = 218708
Step 429: 218708 + 511 = 219219
Step 430: 219219 + 511 = 219730
Step 431: 219730 + 511 = 220241
Step 432: 220241 + 511 = 220752
Step 433: 220752 + 511 = 221263
Step 434: 221263 + 511 = 221774
Step 435: 221774 + 511 = 222285
Step 436: 222285 + 511 = 222796
Step 437: 222796 + 511 = 223307
Step 438: 223307 + 511 = 223818
Step 439: 223818 + 511 = 224329
Step 440: 224329 + 511 = 224840
Step 441: 224840 + 511 = 225351
Step 442: 225351 + 511 = 225862
Step 443: 225862 + 511 = 226373
Step 444: 226373 + 511 = 226884
Step 445: 226884 + 511 = 227395
Step 446: 227395 + 511 = 227906
Step 447: 227906 + 511 = 228417
Step 448: 228417 + 511 = 228928
Step 449: 228928 + 511 = 229439
Step 450: 229439 + 511 = 229950
Step 451: 229950 + 511 = 230461
Step 452: 230461 + 511 = 230972
Step 453: 230972 + 511 = 231483

So, 511*453 = 231483