Alright, let's solve this math problem step by step. First, we have the number 817. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 454. So, we're going to take the number 817 and add it to itself 454 times.
Step 1: 0 + 817 = 817
Step 2: 817 + 817 = 1634
Step 3: 1634 + 817 = 2451
Step 4: 2451 + 817 = 3268
Step 5: 3268 + 817 = 4085
Step 6: 4085 + 817 = 4902
Step 7: 4902 + 817 = 5719
Step 8: 5719 + 817 = 6536
Step 9: 6536 + 817 = 7353
Step 10: 7353 + 817 = 8170
Step 11: 8170 + 817 = 8987
Step 12: 8987 + 817 = 9804
Step 13: 9804 + 817 = 10621
Step 14: 10621 + 817 = 11438
Step 15: 11438 + 817 = 12255
Step 16: 12255 + 817 = 13072
Step 17: 13072 + 817 = 13889
Step 18: 13889 + 817 = 14706
Step 19: 14706 + 817 = 15523
Step 20: 15523 + 817 = 16340
Step 21: 16340 + 817 = 17157
Step 22: 17157 + 817 = 17974
Step 23: 17974 + 817 = 18791
Step 24: 18791 + 817 = 19608
Step 25: 19608 + 817 = 20425
Step 26: 20425 + 817 = 21242
Step 27: 21242 + 817 = 22059
Step 28: 22059 + 817 = 22876
Step 29: 22876 + 817 = 23693
Step 30: 23693 + 817 = 24510
Step 31: 24510 + 817 = 25327
Step 32: 25327 + 817 = 26144
Step 33: 26144 + 817 = 26961
Step 34: 26961 + 817 = 27778
Step 35: 27778 + 817 = 28595
Step 36: 28595 + 817 = 29412
Step 37: 29412 + 817 = 30229
Step 38: 30229 + 817 = 31046
Step 39: 31046 + 817 = 31863
Step 40: 31863 + 817 = 32680
Step 41: 32680 + 817 = 33497
Step 42: 33497 + 817 = 34314
Step 43: 34314 + 817 = 35131
Step 44: 35131 + 817 = 35948
Step 45: 35948 + 817 = 36765
Step 46: 36765 + 817 = 37582
Step 47: 37582 + 817 = 38399
Step 48: 38399 + 817 = 39216
Step 49: 39216 + 817 = 40033
Step 50: 40033 + 817 = 40850
Step 51: 40850 + 817 = 41667
Step 52: 41667 + 817 = 42484
Step 53: 42484 + 817 = 43301
Step 54: 43301 + 817 = 44118
Step 55: 44118 + 817 = 44935
Step 56: 44935 + 817 = 45752
Step 57: 45752 + 817 = 46569
Step 58: 46569 + 817 = 47386
Step 59: 47386 + 817 = 48203
Step 60: 48203 + 817 = 49020
Step 61: 49020 + 817 = 49837
Step 62: 49837 + 817 = 50654
Step 63: 50654 + 817 = 51471
Step 64: 51471 + 817 = 52288
Step 65: 52288 + 817 = 53105
Step 66: 53105 + 817 = 53922
Step 67: 53922 + 817 = 54739
Step 68: 54739 + 817 = 55556
Step 69: 55556 + 817 = 56373
Step 70: 56373 + 817 = 57190
Step 71: 57190 + 817 = 58007
Step 72: 58007 + 817 = 58824
Step 73: 58824 + 817 = 59641
Step 74: 59641 + 817 = 60458
Step 75: 60458 + 817 = 61275
Step 76: 61275 + 817 = 62092
Step 77: 62092 + 817 = 62909
Step 78: 62909 + 817 = 63726
Step 79: 63726 + 817 = 64543
Step 80: 64543 + 817 = 65360
Step 81: 65360 + 817 = 66177
Step 82: 66177 + 817 = 66994
Step 83: 66994 + 817 = 67811
Step 84: 67811 + 817 = 68628
Step 85: 68628 + 817 = 69445
Step 86: 69445 + 817 = 70262
Step 87: 70262 + 817 = 71079
Step 88: 71079 + 817 = 71896
Step 89: 71896 + 817 = 72713
Step 90: 72713 + 817 = 73530
Step 91: 73530 + 817 = 74347
Step 92: 74347 + 817 = 75164
Step 93: 75164 + 817 = 75981
Step 94: 75981 + 817 = 76798
Step 95: 76798 + 817 = 77615
Step 96: 77615 + 817 = 78432
Step 97: 78432 + 817 = 79249
Step 98: 79249 + 817 = 80066
Step 99: 80066 + 817 = 80883
Step 100: 80883 + 817 = 81700
Step 101: 81700 + 817 = 82517
Step 102: 82517 + 817 = 83334
Step 103: 83334 + 817 = 84151
Step 104: 84151 + 817 = 84968
Step 105: 84968 + 817 = 85785
Step 106: 85785 + 817 = 86602
Step 107: 86602 + 817 = 87419
Step 108: 87419 + 817 = 88236
Step 109: 88236 + 817 = 89053
Step 110: 89053 + 817 = 89870
Step 111: 89870 + 817 = 90687
Step 112: 90687 + 817 = 91504
Step 113: 91504 + 817 = 92321
Step 114: 92321 + 817 = 93138
Step 115: 93138 + 817 = 93955
Step 116: 93955 + 817 = 94772
Step 117: 94772 + 817 = 95589
Step 118: 95589 + 817 = 96406
Step 119: 96406 + 817 = 97223
Step 120: 97223 + 817 = 98040
Step 121: 98040 + 817 = 98857
Step 122: 98857 + 817 = 99674
Step 123: 99674 + 817 = 100491
Step 124: 100491 + 817 = 101308
Step 125: 101308 + 817 = 102125
Step 126: 102125 + 817 = 102942
Step 127: 102942 + 817 = 103759
Step 128: 103759 + 817 = 104576
Step 129: 104576 + 817 = 105393
Step 130: 105393 + 817 = 106210
Step 131: 106210 + 817 = 107027
Step 132: 107027 + 817 = 107844
Step 133: 107844 + 817 = 108661
Step 134: 108661 + 817 = 109478
Step 135: 109478 + 817 = 110295
Step 136: 110295 + 817 = 111112
Step 137: 111112 + 817 = 111929
Step 138: 111929 + 817 = 112746
Step 139: 112746 + 817 = 113563
Step 140: 113563 + 817 = 114380
Step 141: 114380 + 817 = 115197
Step 142: 115197 + 817 = 116014
Step 143: 116014 + 817 = 116831
Step 144: 116831 + 817 = 117648
Step 145: 117648 + 817 = 118465
Step 146: 118465 + 817 = 119282
Step 147: 119282 + 817 = 120099
Step 148: 120099 + 817 = 120916
Step 149: 120916 + 817 = 121733
Step 150: 121733 + 817 = 122550
Step 151: 122550 + 817 = 123367
Step 152: 123367 + 817 = 124184
Step 153: 124184 + 817 = 125001
Step 154: 125001 + 817 = 125818
Step 155: 125818 + 817 = 126635
Step 156: 126635 + 817 = 127452
Step 157: 127452 + 817 = 128269
Step 158: 128269 + 817 = 129086
Step 159: 129086 + 817 = 129903
Step 160: 129903 + 817 = 130720
Step 161: 130720 + 817 = 131537
Step 162: 131537 + 817 = 132354
Step 163: 132354 + 817 = 133171
Step 164: 133171 + 817 = 133988
Step 165: 133988 + 817 = 134805
Step 166: 134805 + 817 = 135622
Step 167: 135622 + 817 = 136439
Step 168: 136439 + 817 = 137256
Step 169: 137256 + 817 = 138073
Step 170: 138073 + 817 = 138890
Step 171: 138890 + 817 = 139707
Step 172: 139707 + 817 = 140524
Step 173: 140524 + 817 = 141341
Step 174: 141341 + 817 = 142158
Step 175: 142158 + 817 = 142975
Step 176: 142975 + 817 = 143792
Step 177: 143792 + 817 = 144609
Step 178: 144609 + 817 = 145426
Step 179: 145426 + 817 = 146243
Step 180: 146243 + 817 = 147060
Step 181: 147060 + 817 = 147877
Step 182: 147877 + 817 = 148694
Step 183: 148694 + 817 = 149511
Step 184: 149511 + 817 = 150328
Step 185: 150328 + 817 = 151145
Step 186: 151145 + 817 = 151962
Step 187: 151962 + 817 = 152779
Step 188: 152779 + 817 = 153596
Step 189: 153596 + 817 = 154413
Step 190: 154413 + 817 = 155230
Step 191: 155230 + 817 = 156047
Step 192: 156047 + 817 = 156864
Step 193: 156864 + 817 = 157681
Step 194: 157681 + 817 = 158498
Step 195: 158498 + 817 = 159315
Step 196: 159315 + 817 = 160132
Step 197: 160132 + 817 = 160949
Step 198: 160949 + 817 = 161766
Step 199: 161766 + 817 = 162583
Step 200: 162583 + 817 = 163400
Step 201: 163400 + 817 = 164217
Step 202: 164217 + 817 = 165034
Step 203: 165034 + 817 = 165851
Step 204: 165851 + 817 = 166668
Step 205: 166668 + 817 = 167485
Step 206: 167485 + 817 = 168302
Step 207: 168302 + 817 = 169119
Step 208: 169119 + 817 = 169936
Step 209: 169936 + 817 = 170753
Step 210: 170753 + 817 = 171570
Step 211: 171570 + 817 = 172387
Step 212: 172387 + 817 = 173204
Step 213: 173204 + 817 = 174021
Step 214: 174021 + 817 = 174838
Step 215: 174838 + 817 = 175655
Step 216: 175655 + 817 = 176472
Step 217: 176472 + 817 = 177289
Step 218: 177289 + 817 = 178106
Step 219: 178106 + 817 = 178923
Step 220: 178923 + 817 = 179740
Step 221: 179740 + 817 = 180557
Step 222: 180557 + 817 = 181374
Step 223: 181374 + 817 = 182191
Step 224: 182191 + 817 = 183008
Step 225: 183008 + 817 = 183825
Step 226: 183825 + 817 = 184642
Step 227: 184642 + 817 = 185459
Step 228: 185459 + 817 = 186276
Step 229: 186276 + 817 = 187093
Step 230: 187093 + 817 = 187910
Step 231: 187910 + 817 = 188727
Step 232: 188727 + 817 = 189544
Step 233: 189544 + 817 = 190361
Step 234: 190361 + 817 = 191178
Step 235: 191178 + 817 = 191995
Step 236: 191995 + 817 = 192812
Step 237: 192812 + 817 = 193629
Step 238: 193629 + 817 = 194446
Step 239: 194446 + 817 = 195263
Step 240: 195263 + 817 = 196080
Step 241: 196080 + 817 = 196897
Step 242: 196897 + 817 = 197714
Step 243: 197714 + 817 = 198531
Step 244: 198531 + 817 = 199348
Step 245: 199348 + 817 = 200165
Step 246: 200165 + 817 = 200982
Step 247: 200982 + 817 = 201799
Step 248: 201799 + 817 = 202616
Step 249: 202616 + 817 = 203433
Step 250: 203433 + 817 = 204250
Step 251: 204250 + 817 = 205067
Step 252: 205067 + 817 = 205884
Step 253: 205884 + 817 = 206701
Step 254: 206701 + 817 = 207518
Step 255: 207518 + 817 = 208335
Step 256: 208335 + 817 = 209152
Step 257: 209152 + 817 = 209969
Step 258: 209969 + 817 = 210786
Step 259: 210786 + 817 = 211603
Step 260: 211603 + 817 = 212420
Step 261: 212420 + 817 = 213237
Step 262: 213237 + 817 = 214054
Step 263: 214054 + 817 = 214871
Step 264: 214871 + 817 = 215688
Step 265: 215688 + 817 = 216505
Step 266: 216505 + 817 = 217322
Step 267: 217322 + 817 = 218139
Step 268: 218139 + 817 = 218956
Step 269: 218956 + 817 = 219773
Step 270: 219773 + 817 = 220590
Step 271: 220590 + 817 = 221407
Step 272: 221407 + 817 = 222224
Step 273: 222224 + 817 = 223041
Step 274: 223041 + 817 = 223858
Step 275: 223858 + 817 = 224675
Step 276: 224675 + 817 = 225492
Step 277: 225492 + 817 = 226309
Step 278: 226309 + 817 = 227126
Step 279: 227126 + 817 = 227943
Step 280: 227943 + 817 = 228760
Step 281: 228760 + 817 = 229577
Step 282: 229577 + 817 = 230394
Step 283: 230394 + 817 = 231211
Step 284: 231211 + 817 = 232028
Step 285: 232028 + 817 = 232845
Step 286: 232845 + 817 = 233662
Step 287: 233662 + 817 = 234479
Step 288: 234479 + 817 = 235296
Step 289: 235296 + 817 = 236113
Step 290: 236113 + 817 = 236930
Step 291: 236930 + 817 = 237747
Step 292: 237747 + 817 = 238564
Step 293: 238564 + 817 = 239381
Step 294: 239381 + 817 = 240198
Step 295: 240198 + 817 = 241015
Step 296: 241015 + 817 = 241832
Step 297: 241832 + 817 = 242649
Step 298: 242649 + 817 = 243466
Step 299: 243466 + 817 = 244283
Step 300: 244283 + 817 = 245100
Step 301: 245100 + 817 = 245917
Step 302: 245917 + 817 = 246734
Step 303: 246734 + 817 = 247551
Step 304: 247551 + 817 = 248368
Step 305: 248368 + 817 = 249185
Step 306: 249185 + 817 = 250002
Step 307: 250002 + 817 = 250819
Step 308: 250819 + 817 = 251636
Step 309: 251636 + 817 = 252453
Step 310: 252453 + 817 = 253270
Step 311: 253270 + 817 = 254087
Step 312: 254087 + 817 = 254904
Step 313: 254904 + 817 = 255721
Step 314: 255721 + 817 = 256538
Step 315: 256538 + 817 = 257355
Step 316: 257355 + 817 = 258172
Step 317: 258172 + 817 = 258989
Step 318: 258989 + 817 = 259806
Step 319: 259806 + 817 = 260623
Step 320: 260623 + 817 = 261440
Step 321: 261440 + 817 = 262257
Step 322: 262257 + 817 = 263074
Step 323: 263074 + 817 = 263891
Step 324: 263891 + 817 = 264708
Step 325: 264708 + 817 = 265525
Step 326: 265525 + 817 = 266342
Step 327: 266342 + 817 = 267159
Step 328: 267159 + 817 = 267976
Step 329: 267976 + 817 = 268793
Step 330: 268793 + 817 = 269610
Step 331: 269610 + 817 = 270427
Step 332: 270427 + 817 = 271244
Step 333: 271244 + 817 = 272061
Step 334: 272061 + 817 = 272878
Step 335: 272878 + 817 = 273695
Step 336: 273695 + 817 = 274512
Step 337: 274512 + 817 = 275329
Step 338: 275329 + 817 = 276146
Step 339: 276146 + 817 = 276963
Step 340: 276963 + 817 = 277780
Step 341: 277780 + 817 = 278597
Step 342: 278597 + 817 = 279414
Step 343: 279414 + 817 = 280231
Step 344: 280231 + 817 = 281048
Step 345: 281048 + 817 = 281865
Step 346: 281865 + 817 = 282682
Step 347: 282682 + 817 = 283499
Step 348: 283499 + 817 = 284316
Step 349: 284316 + 817 = 285133
Step 350: 285133 + 817 = 285950
Step 351: 285950 + 817 = 286767
Step 352: 286767 + 817 = 287584
Step 353: 287584 + 817 = 288401
Step 354: 288401 + 817 = 289218
Step 355: 289218 + 817 = 290035
Step 356: 290035 + 817 = 290852
Step 357: 290852 + 817 = 291669
Step 358: 291669 + 817 = 292486
Step 359: 292486 + 817 = 293303
Step 360: 293303 + 817 = 294120
Step 361: 294120 + 817 = 294937
Step 362: 294937 + 817 = 295754
Step 363: 295754 + 817 = 296571
Step 364: 296571 + 817 = 297388
Step 365: 297388 + 817 = 298205
Step 366: 298205 + 817 = 299022
Step 367: 299022 + 817 = 299839
Step 368: 299839 + 817 = 300656
Step 369: 300656 + 817 = 301473
Step 370: 301473 + 817 = 302290
Step 371: 302290 + 817 = 303107
Step 372: 303107 + 817 = 303924
Step 373: 303924 + 817 = 304741
Step 374: 304741 + 817 = 305558
Step 375: 305558 + 817 = 306375
Step 376: 306375 + 817 = 307192
Step 377: 307192 + 817 = 308009
Step 378: 308009 + 817 = 308826
Step 379: 308826 + 817 = 309643
Step 380: 309643 + 817 = 310460
Step 381: 310460 + 817 = 311277
Step 382: 311277 + 817 = 312094
Step 383: 312094 + 817 = 312911
Step 384: 312911 + 817 = 313728
Step 385: 313728 + 817 = 314545
Step 386: 314545 + 817 = 315362
Step 387: 315362 + 817 = 316179
Step 388: 316179 + 817 = 316996
Step 389: 316996 + 817 = 317813
Step 390: 317813 + 817 = 318630
Step 391: 318630 + 817 = 319447
Step 392: 319447 + 817 = 320264
Step 393: 320264 + 817 = 321081
Step 394: 321081 + 817 = 321898
Step 395: 321898 + 817 = 322715
Step 396: 322715 + 817 = 323532
Step 397: 323532 + 817 = 324349
Step 398: 324349 + 817 = 325166
Step 399: 325166 + 817 = 325983
Step 400: 325983 + 817 = 326800
Step 401: 326800 + 817 = 327617
Step 402: 327617 + 817 = 328434
Step 403: 328434 + 817 = 329251
Step 404: 329251 + 817 = 330068
Step 405: 330068 + 817 = 330885
Step 406: 330885 + 817 = 331702
Step 407: 331702 + 817 = 332519
Step 408: 332519 + 817 = 333336
Step 409: 333336 + 817 = 334153
Step 410: 334153 + 817 = 334970
Step 411: 334970 + 817 = 335787
Step 412: 335787 + 817 = 336604
Step 413: 336604 + 817 = 337421
Step 414: 337421 + 817 = 338238
Step 415: 338238 + 817 = 339055
Step 416: 339055 + 817 = 339872
Step 417: 339872 + 817 = 340689
Step 418: 340689 + 817 = 341506
Step 419: 341506 + 817 = 342323
Step 420: 342323 + 817 = 343140
Step 421: 343140 + 817 = 343957
Step 422: 343957 + 817 = 344774
Step 423: 344774 + 817 = 345591
Step 424: 345591 + 817 = 346408
Step 425: 346408 + 817 = 347225
Step 426: 347225 + 817 = 348042
Step 427: 348042 + 817 = 348859
Step 428: 348859 + 817 = 349676
Step 429: 349676 + 817 = 350493
Step 430: 350493 + 817 = 351310
Step 431: 351310 + 817 = 352127
Step 432: 352127 + 817 = 352944
Step 433: 352944 + 817 = 353761
Step 434: 353761 + 817 = 354578
Step 435: 354578 + 817 = 355395
Step 436: 355395 + 817 = 356212
Step 437: 356212 + 817 = 357029
Step 438: 357029 + 817 = 357846
Step 439: 357846 + 817 = 358663
Step 440: 358663 + 817 = 359480
Step 441: 359480 + 817 = 360297
Step 442: 360297 + 817 = 361114
Step 443: 361114 + 817 = 361931
Step 444: 361931 + 817 = 362748
Step 445: 362748 + 817 = 363565
Step 446: 363565 + 817 = 364382
Step 447: 364382 + 817 = 365199
Step 448: 365199 + 817 = 366016
Step 449: 366016 + 817 = 366833
Step 450: 366833 + 817 = 367650
Step 451: 367650 + 817 = 368467
Step 452: 368467 + 817 = 369284
Step 453: 369284 + 817 = 370101
Step 454: 370101 + 817 = 370918

So, 817*454 = 370918