Alright, let's solve this math problem step by step. First, we have the number 887. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 451. So, we're going to take the number 887 and add it to itself 451 times.
Step 1: 0 + 887 = 887
Step 2: 887 + 887 = 1774
Step 3: 1774 + 887 = 2661
Step 4: 2661 + 887 = 3548
Step 5: 3548 + 887 = 4435
Step 6: 4435 + 887 = 5322
Step 7: 5322 + 887 = 6209
Step 8: 6209 + 887 = 7096
Step 9: 7096 + 887 = 7983
Step 10: 7983 + 887 = 8870
Step 11: 8870 + 887 = 9757
Step 12: 9757 + 887 = 10644
Step 13: 10644 + 887 = 11531
Step 14: 11531 + 887 = 12418
Step 15: 12418 + 887 = 13305
Step 16: 13305 + 887 = 14192
Step 17: 14192 + 887 = 15079
Step 18: 15079 + 887 = 15966
Step 19: 15966 + 887 = 16853
Step 20: 16853 + 887 = 17740
Step 21: 17740 + 887 = 18627
Step 22: 18627 + 887 = 19514
Step 23: 19514 + 887 = 20401
Step 24: 20401 + 887 = 21288
Step 25: 21288 + 887 = 22175
Step 26: 22175 + 887 = 23062
Step 27: 23062 + 887 = 23949
Step 28: 23949 + 887 = 24836
Step 29: 24836 + 887 = 25723
Step 30: 25723 + 887 = 26610
Step 31: 26610 + 887 = 27497
Step 32: 27497 + 887 = 28384
Step 33: 28384 + 887 = 29271
Step 34: 29271 + 887 = 30158
Step 35: 30158 + 887 = 31045
Step 36: 31045 + 887 = 31932
Step 37: 31932 + 887 = 32819
Step 38: 32819 + 887 = 33706
Step 39: 33706 + 887 = 34593
Step 40: 34593 + 887 = 35480
Step 41: 35480 + 887 = 36367
Step 42: 36367 + 887 = 37254
Step 43: 37254 + 887 = 38141
Step 44: 38141 + 887 = 39028
Step 45: 39028 + 887 = 39915
Step 46: 39915 + 887 = 40802
Step 47: 40802 + 887 = 41689
Step 48: 41689 + 887 = 42576
Step 49: 42576 + 887 = 43463
Step 50: 43463 + 887 = 44350
Step 51: 44350 + 887 = 45237
Step 52: 45237 + 887 = 46124
Step 53: 46124 + 887 = 47011
Step 54: 47011 + 887 = 47898
Step 55: 47898 + 887 = 48785
Step 56: 48785 + 887 = 49672
Step 57: 49672 + 887 = 50559
Step 58: 50559 + 887 = 51446
Step 59: 51446 + 887 = 52333
Step 60: 52333 + 887 = 53220
Step 61: 53220 + 887 = 54107
Step 62: 54107 + 887 = 54994
Step 63: 54994 + 887 = 55881
Step 64: 55881 + 887 = 56768
Step 65: 56768 + 887 = 57655
Step 66: 57655 + 887 = 58542
Step 67: 58542 + 887 = 59429
Step 68: 59429 + 887 = 60316
Step 69: 60316 + 887 = 61203
Step 70: 61203 + 887 = 62090
Step 71: 62090 + 887 = 62977
Step 72: 62977 + 887 = 63864
Step 73: 63864 + 887 = 64751
Step 74: 64751 + 887 = 65638
Step 75: 65638 + 887 = 66525
Step 76: 66525 + 887 = 67412
Step 77: 67412 + 887 = 68299
Step 78: 68299 + 887 = 69186
Step 79: 69186 + 887 = 70073
Step 80: 70073 + 887 = 70960
Step 81: 70960 + 887 = 71847
Step 82: 71847 + 887 = 72734
Step 83: 72734 + 887 = 73621
Step 84: 73621 + 887 = 74508
Step 85: 74508 + 887 = 75395
Step 86: 75395 + 887 = 76282
Step 87: 76282 + 887 = 77169
Step 88: 77169 + 887 = 78056
Step 89: 78056 + 887 = 78943
Step 90: 78943 + 887 = 79830
Step 91: 79830 + 887 = 80717
Step 92: 80717 + 887 = 81604
Step 93: 81604 + 887 = 82491
Step 94: 82491 + 887 = 83378
Step 95: 83378 + 887 = 84265
Step 96: 84265 + 887 = 85152
Step 97: 85152 + 887 = 86039
Step 98: 86039 + 887 = 86926
Step 99: 86926 + 887 = 87813
Step 100: 87813 + 887 = 88700
Step 101: 88700 + 887 = 89587
Step 102: 89587 + 887 = 90474
Step 103: 90474 + 887 = 91361
Step 104: 91361 + 887 = 92248
Step 105: 92248 + 887 = 93135
Step 106: 93135 + 887 = 94022
Step 107: 94022 + 887 = 94909
Step 108: 94909 + 887 = 95796
Step 109: 95796 + 887 = 96683
Step 110: 96683 + 887 = 97570
Step 111: 97570 + 887 = 98457
Step 112: 98457 + 887 = 99344
Step 113: 99344 + 887 = 100231
Step 114: 100231 + 887 = 101118
Step 115: 101118 + 887 = 102005
Step 116: 102005 + 887 = 102892
Step 117: 102892 + 887 = 103779
Step 118: 103779 + 887 = 104666
Step 119: 104666 + 887 = 105553
Step 120: 105553 + 887 = 106440
Step 121: 106440 + 887 = 107327
Step 122: 107327 + 887 = 108214
Step 123: 108214 + 887 = 109101
Step 124: 109101 + 887 = 109988
Step 125: 109988 + 887 = 110875
Step 126: 110875 + 887 = 111762
Step 127: 111762 + 887 = 112649
Step 128: 112649 + 887 = 113536
Step 129: 113536 + 887 = 114423
Step 130: 114423 + 887 = 115310
Step 131: 115310 + 887 = 116197
Step 132: 116197 + 887 = 117084
Step 133: 117084 + 887 = 117971
Step 134: 117971 + 887 = 118858
Step 135: 118858 + 887 = 119745
Step 136: 119745 + 887 = 120632
Step 137: 120632 + 887 = 121519
Step 138: 121519 + 887 = 122406
Step 139: 122406 + 887 = 123293
Step 140: 123293 + 887 = 124180
Step 141: 124180 + 887 = 125067
Step 142: 125067 + 887 = 125954
Step 143: 125954 + 887 = 126841
Step 144: 126841 + 887 = 127728
Step 145: 127728 + 887 = 128615
Step 146: 128615 + 887 = 129502
Step 147: 129502 + 887 = 130389
Step 148: 130389 + 887 = 131276
Step 149: 131276 + 887 = 132163
Step 150: 132163 + 887 = 133050
Step 151: 133050 + 887 = 133937
Step 152: 133937 + 887 = 134824
Step 153: 134824 + 887 = 135711
Step 154: 135711 + 887 = 136598
Step 155: 136598 + 887 = 137485
Step 156: 137485 + 887 = 138372
Step 157: 138372 + 887 = 139259
Step 158: 139259 + 887 = 140146
Step 159: 140146 + 887 = 141033
Step 160: 141033 + 887 = 141920
Step 161: 141920 + 887 = 142807
Step 162: 142807 + 887 = 143694
Step 163: 143694 + 887 = 144581
Step 164: 144581 + 887 = 145468
Step 165: 145468 + 887 = 146355
Step 166: 146355 + 887 = 147242
Step 167: 147242 + 887 = 148129
Step 168: 148129 + 887 = 149016
Step 169: 149016 + 887 = 149903
Step 170: 149903 + 887 = 150790
Step 171: 150790 + 887 = 151677
Step 172: 151677 + 887 = 152564
Step 173: 152564 + 887 = 153451
Step 174: 153451 + 887 = 154338
Step 175: 154338 + 887 = 155225
Step 176: 155225 + 887 = 156112
Step 177: 156112 + 887 = 156999
Step 178: 156999 + 887 = 157886
Step 179: 157886 + 887 = 158773
Step 180: 158773 + 887 = 159660
Step 181: 159660 + 887 = 160547
Step 182: 160547 + 887 = 161434
Step 183: 161434 + 887 = 162321
Step 184: 162321 + 887 = 163208
Step 185: 163208 + 887 = 164095
Step 186: 164095 + 887 = 164982
Step 187: 164982 + 887 = 165869
Step 188: 165869 + 887 = 166756
Step 189: 166756 + 887 = 167643
Step 190: 167643 + 887 = 168530
Step 191: 168530 + 887 = 169417
Step 192: 169417 + 887 = 170304
Step 193: 170304 + 887 = 171191
Step 194: 171191 + 887 = 172078
Step 195: 172078 + 887 = 172965
Step 196: 172965 + 887 = 173852
Step 197: 173852 + 887 = 174739
Step 198: 174739 + 887 = 175626
Step 199: 175626 + 887 = 176513
Step 200: 176513 + 887 = 177400
Step 201: 177400 + 887 = 178287
Step 202: 178287 + 887 = 179174
Step 203: 179174 + 887 = 180061
Step 204: 180061 + 887 = 180948
Step 205: 180948 + 887 = 181835
Step 206: 181835 + 887 = 182722
Step 207: 182722 + 887 = 183609
Step 208: 183609 + 887 = 184496
Step 209: 184496 + 887 = 185383
Step 210: 185383 + 887 = 186270
Step 211: 186270 + 887 = 187157
Step 212: 187157 + 887 = 188044
Step 213: 188044 + 887 = 188931
Step 214: 188931 + 887 = 189818
Step 215: 189818 + 887 = 190705
Step 216: 190705 + 887 = 191592
Step 217: 191592 + 887 = 192479
Step 218: 192479 + 887 = 193366
Step 219: 193366 + 887 = 194253
Step 220: 194253 + 887 = 195140
Step 221: 195140 + 887 = 196027
Step 222: 196027 + 887 = 196914
Step 223: 196914 + 887 = 197801
Step 224: 197801 + 887 = 198688
Step 225: 198688 + 887 = 199575
Step 226: 199575 + 887 = 200462
Step 227: 200462 + 887 = 201349
Step 228: 201349 + 887 = 202236
Step 229: 202236 + 887 = 203123
Step 230: 203123 + 887 = 204010
Step 231: 204010 + 887 = 204897
Step 232: 204897 + 887 = 205784
Step 233: 205784 + 887 = 206671
Step 234: 206671 + 887 = 207558
Step 235: 207558 + 887 = 208445
Step 236: 208445 + 887 = 209332
Step 237: 209332 + 887 = 210219
Step 238: 210219 + 887 = 211106
Step 239: 211106 + 887 = 211993
Step 240: 211993 + 887 = 212880
Step 241: 212880 + 887 = 213767
Step 242: 213767 + 887 = 214654
Step 243: 214654 + 887 = 215541
Step 244: 215541 + 887 = 216428
Step 245: 216428 + 887 = 217315
Step 246: 217315 + 887 = 218202
Step 247: 218202 + 887 = 219089
Step 248: 219089 + 887 = 219976
Step 249: 219976 + 887 = 220863
Step 250: 220863 + 887 = 221750
Step 251: 221750 + 887 = 222637
Step 252: 222637 + 887 = 223524
Step 253: 223524 + 887 = 224411
Step 254: 224411 + 887 = 225298
Step 255: 225298 + 887 = 226185
Step 256: 226185 + 887 = 227072
Step 257: 227072 + 887 = 227959
Step 258: 227959 + 887 = 228846
Step 259: 228846 + 887 = 229733
Step 260: 229733 + 887 = 230620
Step 261: 230620 + 887 = 231507
Step 262: 231507 + 887 = 232394
Step 263: 232394 + 887 = 233281
Step 264: 233281 + 887 = 234168
Step 265: 234168 + 887 = 235055
Step 266: 235055 + 887 = 235942
Step 267: 235942 + 887 = 236829
Step 268: 236829 + 887 = 237716
Step 269: 237716 + 887 = 238603
Step 270: 238603 + 887 = 239490
Step 271: 239490 + 887 = 240377
Step 272: 240377 + 887 = 241264
Step 273: 241264 + 887 = 242151
Step 274: 242151 + 887 = 243038
Step 275: 243038 + 887 = 243925
Step 276: 243925 + 887 = 244812
Step 277: 244812 + 887 = 245699
Step 278: 245699 + 887 = 246586
Step 279: 246586 + 887 = 247473
Step 280: 247473 + 887 = 248360
Step 281: 248360 + 887 = 249247
Step 282: 249247 + 887 = 250134
Step 283: 250134 + 887 = 251021
Step 284: 251021 + 887 = 251908
Step 285: 251908 + 887 = 252795
Step 286: 252795 + 887 = 253682
Step 287: 253682 + 887 = 254569
Step 288: 254569 + 887 = 255456
Step 289: 255456 + 887 = 256343
Step 290: 256343 + 887 = 257230
Step 291: 257230 + 887 = 258117
Step 292: 258117 + 887 = 259004
Step 293: 259004 + 887 = 259891
Step 294: 259891 + 887 = 260778
Step 295: 260778 + 887 = 261665
Step 296: 261665 + 887 = 262552
Step 297: 262552 + 887 = 263439
Step 298: 263439 + 887 = 264326
Step 299: 264326 + 887 = 265213
Step 300: 265213 + 887 = 266100
Step 301: 266100 + 887 = 266987
Step 302: 266987 + 887 = 267874
Step 303: 267874 + 887 = 268761
Step 304: 268761 + 887 = 269648
Step 305: 269648 + 887 = 270535
Step 306: 270535 + 887 = 271422
Step 307: 271422 + 887 = 272309
Step 308: 272309 + 887 = 273196
Step 309: 273196 + 887 = 274083
Step 310: 274083 + 887 = 274970
Step 311: 274970 + 887 = 275857
Step 312: 275857 + 887 = 276744
Step 313: 276744 + 887 = 277631
Step 314: 277631 + 887 = 278518
Step 315: 278518 + 887 = 279405
Step 316: 279405 + 887 = 280292
Step 317: 280292 + 887 = 281179
Step 318: 281179 + 887 = 282066
Step 319: 282066 + 887 = 282953
Step 320: 282953 + 887 = 283840
Step 321: 283840 + 887 = 284727
Step 322: 284727 + 887 = 285614
Step 323: 285614 + 887 = 286501
Step 324: 286501 + 887 = 287388
Step 325: 287388 + 887 = 288275
Step 326: 288275 + 887 = 289162
Step 327: 289162 + 887 = 290049
Step 328: 290049 + 887 = 290936
Step 329: 290936 + 887 = 291823
Step 330: 291823 + 887 = 292710
Step 331: 292710 + 887 = 293597
Step 332: 293597 + 887 = 294484
Step 333: 294484 + 887 = 295371
Step 334: 295371 + 887 = 296258
Step 335: 296258 + 887 = 297145
Step 336: 297145 + 887 = 298032
Step 337: 298032 + 887 = 298919
Step 338: 298919 + 887 = 299806
Step 339: 299806 + 887 = 300693
Step 340: 300693 + 887 = 301580
Step 341: 301580 + 887 = 302467
Step 342: 302467 + 887 = 303354
Step 343: 303354 + 887 = 304241
Step 344: 304241 + 887 = 305128
Step 345: 305128 + 887 = 306015
Step 346: 306015 + 887 = 306902
Step 347: 306902 + 887 = 307789
Step 348: 307789 + 887 = 308676
Step 349: 308676 + 887 = 309563
Step 350: 309563 + 887 = 310450
Step 351: 310450 + 887 = 311337
Step 352: 311337 + 887 = 312224
Step 353: 312224 + 887 = 313111
Step 354: 313111 + 887 = 313998
Step 355: 313998 + 887 = 314885
Step 356: 314885 + 887 = 315772
Step 357: 315772 + 887 = 316659
Step 358: 316659 + 887 = 317546
Step 359: 317546 + 887 = 318433
Step 360: 318433 + 887 = 319320
Step 361: 319320 + 887 = 320207
Step 362: 320207 + 887 = 321094
Step 363: 321094 + 887 = 321981
Step 364: 321981 + 887 = 322868
Step 365: 322868 + 887 = 323755
Step 366: 323755 + 887 = 324642
Step 367: 324642 + 887 = 325529
Step 368: 325529 + 887 = 326416
Step 369: 326416 + 887 = 327303
Step 370: 327303 + 887 = 328190
Step 371: 328190 + 887 = 329077
Step 372: 329077 + 887 = 329964
Step 373: 329964 + 887 = 330851
Step 374: 330851 + 887 = 331738
Step 375: 331738 + 887 = 332625
Step 376: 332625 + 887 = 333512
Step 377: 333512 + 887 = 334399
Step 378: 334399 + 887 = 335286
Step 379: 335286 + 887 = 336173
Step 380: 336173 + 887 = 337060
Step 381: 337060 + 887 = 337947
Step 382: 337947 + 887 = 338834
Step 383: 338834 + 887 = 339721
Step 384: 339721 + 887 = 340608
Step 385: 340608 + 887 = 341495
Step 386: 341495 + 887 = 342382
Step 387: 342382 + 887 = 343269
Step 388: 343269 + 887 = 344156
Step 389: 344156 + 887 = 345043
Step 390: 345043 + 887 = 345930
Step 391: 345930 + 887 = 346817
Step 392: 346817 + 887 = 347704
Step 393: 347704 + 887 = 348591
Step 394: 348591 + 887 = 349478
Step 395: 349478 + 887 = 350365
Step 396: 350365 + 887 = 351252
Step 397: 351252 + 887 = 352139
Step 398: 352139 + 887 = 353026
Step 399: 353026 + 887 = 353913
Step 400: 353913 + 887 = 354800
Step 401: 354800 + 887 = 355687
Step 402: 355687 + 887 = 356574
Step 403: 356574 + 887 = 357461
Step 404: 357461 + 887 = 358348
Step 405: 358348 + 887 = 359235
Step 406: 359235 + 887 = 360122
Step 407: 360122 + 887 = 361009
Step 408: 361009 + 887 = 361896
Step 409: 361896 + 887 = 362783
Step 410: 362783 + 887 = 363670
Step 411: 363670 + 887 = 364557
Step 412: 364557 + 887 = 365444
Step 413: 365444 + 887 = 366331
Step 414: 366331 + 887 = 367218
Step 415: 367218 + 887 = 368105
Step 416: 368105 + 887 = 368992
Step 417: 368992 + 887 = 369879
Step 418: 369879 + 887 = 370766
Step 419: 370766 + 887 = 371653
Step 420: 371653 + 887 = 372540
Step 421: 372540 + 887 = 373427
Step 422: 373427 + 887 = 374314
Step 423: 374314 + 887 = 375201
Step 424: 375201 + 887 = 376088
Step 425: 376088 + 887 = 376975
Step 426: 376975 + 887 = 377862
Step 427: 377862 + 887 = 378749
Step 428: 378749 + 887 = 379636
Step 429: 379636 + 887 = 380523
Step 430: 380523 + 887 = 381410
Step 431: 381410 + 887 = 382297
Step 432: 382297 + 887 = 383184
Step 433: 383184 + 887 = 384071
Step 434: 384071 + 887 = 384958
Step 435: 384958 + 887 = 385845
Step 436: 385845 + 887 = 386732
Step 437: 386732 + 887 = 387619
Step 438: 387619 + 887 = 388506
Step 439: 388506 + 887 = 389393
Step 440: 389393 + 887 = 390280
Step 441: 390280 + 887 = 391167
Step 442: 391167 + 887 = 392054
Step 443: 392054 + 887 = 392941
Step 444: 392941 + 887 = 393828
Step 445: 393828 + 887 = 394715
Step 446: 394715 + 887 = 395602
Step 447: 395602 + 887 = 396489
Step 448: 396489 + 887 = 397376
Step 449: 397376 + 887 = 398263
Step 450: 398263 + 887 = 399150
Step 451: 399150 + 887 = 400037

So, 887*451 = 400037