OK, let's crack this. We're given 917 and our task is to multiply it by 490. Essentially, we'll be adding 917 to itself 490 times.
Step 1: 0 + 917 = 917
Step 2: 917 + 917 = 1834
Step 3: 1834 + 917 = 2751
Step 4: 2751 + 917 = 3668
Step 5: 3668 + 917 = 4585
Step 6: 4585 + 917 = 5502
Step 7: 5502 + 917 = 6419
Step 8: 6419 + 917 = 7336
Step 9: 7336 + 917 = 8253
Step 10: 8253 + 917 = 9170
Step 11: 9170 + 917 = 10087
Step 12: 10087 + 917 = 11004
Step 13: 11004 + 917 = 11921
Step 14: 11921 + 917 = 12838
Step 15: 12838 + 917 = 13755
Step 16: 13755 + 917 = 14672
Step 17: 14672 + 917 = 15589
Step 18: 15589 + 917 = 16506
Step 19: 16506 + 917 = 17423
Step 20: 17423 + 917 = 18340
Step 21: 18340 + 917 = 19257
Step 22: 19257 + 917 = 20174
Step 23: 20174 + 917 = 21091
Step 24: 21091 + 917 = 22008
Step 25: 22008 + 917 = 22925
Step 26: 22925 + 917 = 23842
Step 27: 23842 + 917 = 24759
Step 28: 24759 + 917 = 25676
Step 29: 25676 + 917 = 26593
Step 30: 26593 + 917 = 27510
Step 31: 27510 + 917 = 28427
Step 32: 28427 + 917 = 29344
Step 33: 29344 + 917 = 30261
Step 34: 30261 + 917 = 31178
Step 35: 31178 + 917 = 32095
Step 36: 32095 + 917 = 33012
Step 37: 33012 + 917 = 33929
Step 38: 33929 + 917 = 34846
Step 39: 34846 + 917 = 35763
Step 40: 35763 + 917 = 36680
Step 41: 36680 + 917 = 37597
Step 42: 37597 + 917 = 38514
Step 43: 38514 + 917 = 39431
Step 44: 39431 + 917 = 40348
Step 45: 40348 + 917 = 41265
Step 46: 41265 + 917 = 42182
Step 47: 42182 + 917 = 43099
Step 48: 43099 + 917 = 44016
Step 49: 44016 + 917 = 44933
Step 50: 44933 + 917 = 45850
Step 51: 45850 + 917 = 46767
Step 52: 46767 + 917 = 47684
Step 53: 47684 + 917 = 48601
Step 54: 48601 + 917 = 49518
Step 55: 49518 + 917 = 50435
Step 56: 50435 + 917 = 51352
Step 57: 51352 + 917 = 52269
Step 58: 52269 + 917 = 53186
Step 59: 53186 + 917 = 54103
Step 60: 54103 + 917 = 55020
Step 61: 55020 + 917 = 55937
Step 62: 55937 + 917 = 56854
Step 63: 56854 + 917 = 57771
Step 64: 57771 + 917 = 58688
Step 65: 58688 + 917 = 59605
Step 66: 59605 + 917 = 60522
Step 67: 60522 + 917 = 61439
Step 68: 61439 + 917 = 62356
Step 69: 62356 + 917 = 63273
Step 70: 63273 + 917 = 64190
Step 71: 64190 + 917 = 65107
Step 72: 65107 + 917 = 66024
Step 73: 66024 + 917 = 66941
Step 74: 66941 + 917 = 67858
Step 75: 67858 + 917 = 68775
Step 76: 68775 + 917 = 69692
Step 77: 69692 + 917 = 70609
Step 78: 70609 + 917 = 71526
Step 79: 71526 + 917 = 72443
Step 80: 72443 + 917 = 73360
Step 81: 73360 + 917 = 74277
Step 82: 74277 + 917 = 75194
Step 83: 75194 + 917 = 76111
Step 84: 76111 + 917 = 77028
Step 85: 77028 + 917 = 77945
Step 86: 77945 + 917 = 78862
Step 87: 78862 + 917 = 79779
Step 88: 79779 + 917 = 80696
Step 89: 80696 + 917 = 81613
Step 90: 81613 + 917 = 82530
Step 91: 82530 + 917 = 83447
Step 92: 83447 + 917 = 84364
Step 93: 84364 + 917 = 85281
Step 94: 85281 + 917 = 86198
Step 95: 86198 + 917 = 87115
Step 96: 87115 + 917 = 88032
Step 97: 88032 + 917 = 88949
Step 98: 88949 + 917 = 89866
Step 99: 89866 + 917 = 90783
Step 100: 90783 + 917 = 91700
Step 101: 91700 + 917 = 92617
Step 102: 92617 + 917 = 93534
Step 103: 93534 + 917 = 94451
Step 104: 94451 + 917 = 95368
Step 105: 95368 + 917 = 96285
Step 106: 96285 + 917 = 97202
Step 107: 97202 + 917 = 98119
Step 108: 98119 + 917 = 99036
Step 109: 99036 + 917 = 99953
Step 110: 99953 + 917 = 100870
Step 111: 100870 + 917 = 101787
Step 112: 101787 + 917 = 102704
Step 113: 102704 + 917 = 103621
Step 114: 103621 + 917 = 104538
Step 115: 104538 + 917 = 105455
Step 116: 105455 + 917 = 106372
Step 117: 106372 + 917 = 107289
Step 118: 107289 + 917 = 108206
Step 119: 108206 + 917 = 109123
Step 120: 109123 + 917 = 110040
Step 121: 110040 + 917 = 110957
Step 122: 110957 + 917 = 111874
Step 123: 111874 + 917 = 112791
Step 124: 112791 + 917 = 113708
Step 125: 113708 + 917 = 114625
Step 126: 114625 + 917 = 115542
Step 127: 115542 + 917 = 116459
Step 128: 116459 + 917 = 117376
Step 129: 117376 + 917 = 118293
Step 130: 118293 + 917 = 119210
Step 131: 119210 + 917 = 120127
Step 132: 120127 + 917 = 121044
Step 133: 121044 + 917 = 121961
Step 134: 121961 + 917 = 122878
Step 135: 122878 + 917 = 123795
Step 136: 123795 + 917 = 124712
Step 137: 124712 + 917 = 125629
Step 138: 125629 + 917 = 126546
Step 139: 126546 + 917 = 127463
Step 140: 127463 + 917 = 128380
Step 141: 128380 + 917 = 129297
Step 142: 129297 + 917 = 130214
Step 143: 130214 + 917 = 131131
Step 144: 131131 + 917 = 132048
Step 145: 132048 + 917 = 132965
Step 146: 132965 + 917 = 133882
Step 147: 133882 + 917 = 134799
Step 148: 134799 + 917 = 135716
Step 149: 135716 + 917 = 136633
Step 150: 136633 + 917 = 137550
Step 151: 137550 + 917 = 138467
Step 152: 138467 + 917 = 139384
Step 153: 139384 + 917 = 140301
Step 154: 140301 + 917 = 141218
Step 155: 141218 + 917 = 142135
Step 156: 142135 + 917 = 143052
Step 157: 143052 + 917 = 143969
Step 158: 143969 + 917 = 144886
Step 159: 144886 + 917 = 145803
Step 160: 145803 + 917 = 146720
Step 161: 146720 + 917 = 147637
Step 162: 147637 + 917 = 148554
Step 163: 148554 + 917 = 149471
Step 164: 149471 + 917 = 150388
Step 165: 150388 + 917 = 151305
Step 166: 151305 + 917 = 152222
Step 167: 152222 + 917 = 153139
Step 168: 153139 + 917 = 154056
Step 169: 154056 + 917 = 154973
Step 170: 154973 + 917 = 155890
Step 171: 155890 + 917 = 156807
Step 172: 156807 + 917 = 157724
Step 173: 157724 + 917 = 158641
Step 174: 158641 + 917 = 159558
Step 175: 159558 + 917 = 160475
Step 176: 160475 + 917 = 161392
Step 177: 161392 + 917 = 162309
Step 178: 162309 + 917 = 163226
Step 179: 163226 + 917 = 164143
Step 180: 164143 + 917 = 165060
Step 181: 165060 + 917 = 165977
Step 182: 165977 + 917 = 166894
Step 183: 166894 + 917 = 167811
Step 184: 167811 + 917 = 168728
Step 185: 168728 + 917 = 169645
Step 186: 169645 + 917 = 170562
Step 187: 170562 + 917 = 171479
Step 188: 171479 + 917 = 172396
Step 189: 172396 + 917 = 173313
Step 190: 173313 + 917 = 174230
Step 191: 174230 + 917 = 175147
Step 192: 175147 + 917 = 176064
Step 193: 176064 + 917 = 176981
Step 194: 176981 + 917 = 177898
Step 195: 177898 + 917 = 178815
Step 196: 178815 + 917 = 179732
Step 197: 179732 + 917 = 180649
Step 198: 180649 + 917 = 181566
Step 199: 181566 + 917 = 182483
Step 200: 182483 + 917 = 183400
Step 201: 183400 + 917 = 184317
Step 202: 184317 + 917 = 185234
Step 203: 185234 + 917 = 186151
Step 204: 186151 + 917 = 187068
Step 205: 187068 + 917 = 187985
Step 206: 187985 + 917 = 188902
Step 207: 188902 + 917 = 189819
Step 208: 189819 + 917 = 190736
Step 209: 190736 + 917 = 191653
Step 210: 191653 + 917 = 192570
Step 211: 192570 + 917 = 193487
Step 212: 193487 + 917 = 194404
Step 213: 194404 + 917 = 195321
Step 214: 195321 + 917 = 196238
Step 215: 196238 + 917 = 197155
Step 216: 197155 + 917 = 198072
Step 217: 198072 + 917 = 198989
Step 218: 198989 + 917 = 199906
Step 219: 199906 + 917 = 200823
Step 220: 200823 + 917 = 201740
Step 221: 201740 + 917 = 202657
Step 222: 202657 + 917 = 203574
Step 223: 203574 + 917 = 204491
Step 224: 204491 + 917 = 205408
Step 225: 205408 + 917 = 206325
Step 226: 206325 + 917 = 207242
Step 227: 207242 + 917 = 208159
Step 228: 208159 + 917 = 209076
Step 229: 209076 + 917 = 209993
Step 230: 209993 + 917 = 210910
Step 231: 210910 + 917 = 211827
Step 232: 211827 + 917 = 212744
Step 233: 212744 + 917 = 213661
Step 234: 213661 + 917 = 214578
Step 235: 214578 + 917 = 215495
Step 236: 215495 + 917 = 216412
Step 237: 216412 + 917 = 217329
Step 238: 217329 + 917 = 218246
Step 239: 218246 + 917 = 219163
Step 240: 219163 + 917 = 220080
Step 241: 220080 + 917 = 220997
Step 242: 220997 + 917 = 221914
Step 243: 221914 + 917 = 222831
Step 244: 222831 + 917 = 223748
Step 245: 223748 + 917 = 224665
Step 246: 224665 + 917 = 225582
Step 247: 225582 + 917 = 226499
Step 248: 226499 + 917 = 227416
Step 249: 227416 + 917 = 228333
Step 250: 228333 + 917 = 229250
Step 251: 229250 + 917 = 230167
Step 252: 230167 + 917 = 231084
Step 253: 231084 + 917 = 232001
Step 254: 232001 + 917 = 232918
Step 255: 232918 + 917 = 233835
Step 256: 233835 + 917 = 234752
Step 257: 234752 + 917 = 235669
Step 258: 235669 + 917 = 236586
Step 259: 236586 + 917 = 237503
Step 260: 237503 + 917 = 238420
Step 261: 238420 + 917 = 239337
Step 262: 239337 + 917 = 240254
Step 263: 240254 + 917 = 241171
Step 264: 241171 + 917 = 242088
Step 265: 242088 + 917 = 243005
Step 266: 243005 + 917 = 243922
Step 267: 243922 + 917 = 244839
Step 268: 244839 + 917 = 245756
Step 269: 245756 + 917 = 246673
Step 270: 246673 + 917 = 247590
Step 271: 247590 + 917 = 248507
Step 272: 248507 + 917 = 249424
Step 273: 249424 + 917 = 250341
Step 274: 250341 + 917 = 251258
Step 275: 251258 + 917 = 252175
Step 276: 252175 + 917 = 253092
Step 277: 253092 + 917 = 254009
Step 278: 254009 + 917 = 254926
Step 279: 254926 + 917 = 255843
Step 280: 255843 + 917 = 256760
Step 281: 256760 + 917 = 257677
Step 282: 257677 + 917 = 258594
Step 283: 258594 + 917 = 259511
Step 284: 259511 + 917 = 260428
Step 285: 260428 + 917 = 261345
Step 286: 261345 + 917 = 262262
Step 287: 262262 + 917 = 263179
Step 288: 263179 + 917 = 264096
Step 289: 264096 + 917 = 265013
Step 290: 265013 + 917 = 265930
Step 291: 265930 + 917 = 266847
Step 292: 266847 + 917 = 267764
Step 293: 267764 + 917 = 268681
Step 294: 268681 + 917 = 269598
Step 295: 269598 + 917 = 270515
Step 296: 270515 + 917 = 271432
Step 297: 271432 + 917 = 272349
Step 298: 272349 + 917 = 273266
Step 299: 273266 + 917 = 274183
Step 300: 274183 + 917 = 275100
Step 301: 275100 + 917 = 276017
Step 302: 276017 + 917 = 276934
Step 303: 276934 + 917 = 277851
Step 304: 277851 + 917 = 278768
Step 305: 278768 + 917 = 279685
Step 306: 279685 + 917 = 280602
Step 307: 280602 + 917 = 281519
Step 308: 281519 + 917 = 282436
Step 309: 282436 + 917 = 283353
Step 310: 283353 + 917 = 284270
Step 311: 284270 + 917 = 285187
Step 312: 285187 + 917 = 286104
Step 313: 286104 + 917 = 287021
Step 314: 287021 + 917 = 287938
Step 315: 287938 + 917 = 288855
Step 316: 288855 + 917 = 289772
Step 317: 289772 + 917 = 290689
Step 318: 290689 + 917 = 291606
Step 319: 291606 + 917 = 292523
Step 320: 292523 + 917 = 293440
Step 321: 293440 + 917 = 294357
Step 322: 294357 + 917 = 295274
Step 323: 295274 + 917 = 296191
Step 324: 296191 + 917 = 297108
Step 325: 297108 + 917 = 298025
Step 326: 298025 + 917 = 298942
Step 327: 298942 + 917 = 299859
Step 328: 299859 + 917 = 300776
Step 329: 300776 + 917 = 301693
Step 330: 301693 + 917 = 302610
Step 331: 302610 + 917 = 303527
Step 332: 303527 + 917 = 304444
Step 333: 304444 + 917 = 305361
Step 334: 305361 + 917 = 306278
Step 335: 306278 + 917 = 307195
Step 336: 307195 + 917 = 308112
Step 337: 308112 + 917 = 309029
Step 338: 309029 + 917 = 309946
Step 339: 309946 + 917 = 310863
Step 340: 310863 + 917 = 311780
Step 341: 311780 + 917 = 312697
Step 342: 312697 + 917 = 313614
Step 343: 313614 + 917 = 314531
Step 344: 314531 + 917 = 315448
Step 345: 315448 + 917 = 316365
Step 346: 316365 + 917 = 317282
Step 347: 317282 + 917 = 318199
Step 348: 318199 + 917 = 319116
Step 349: 319116 + 917 = 320033
Step 350: 320033 + 917 = 320950
Step 351: 320950 + 917 = 321867
Step 352: 321867 + 917 = 322784
Step 353: 322784 + 917 = 323701
Step 354: 323701 + 917 = 324618
Step 355: 324618 + 917 = 325535
Step 356: 325535 + 917 = 326452
Step 357: 326452 + 917 = 327369
Step 358: 327369 + 917 = 328286
Step 359: 328286 + 917 = 329203
Step 360: 329203 + 917 = 330120
Step 361: 330120 + 917 = 331037
Step 362: 331037 + 917 = 331954
Step 363: 331954 + 917 = 332871
Step 364: 332871 + 917 = 333788
Step 365: 333788 + 917 = 334705
Step 366: 334705 + 917 = 335622
Step 367: 335622 + 917 = 336539
Step 368: 336539 + 917 = 337456
Step 369: 337456 + 917 = 338373
Step 370: 338373 + 917 = 339290
Step 371: 339290 + 917 = 340207
Step 372: 340207 + 917 = 341124
Step 373: 341124 + 917 = 342041
Step 374: 342041 + 917 = 342958
Step 375: 342958 + 917 = 343875
Step 376: 343875 + 917 = 344792
Step 377: 344792 + 917 = 345709
Step 378: 345709 + 917 = 346626
Step 379: 346626 + 917 = 347543
Step 380: 347543 + 917 = 348460
Step 381: 348460 + 917 = 349377
Step 382: 349377 + 917 = 350294
Step 383: 350294 + 917 = 351211
Step 384: 351211 + 917 = 352128
Step 385: 352128 + 917 = 353045
Step 386: 353045 + 917 = 353962
Step 387: 353962 + 917 = 354879
Step 388: 354879 + 917 = 355796
Step 389: 355796 + 917 = 356713
Step 390: 356713 + 917 = 357630
Step 391: 357630 + 917 = 358547
Step 392: 358547 + 917 = 359464
Step 393: 359464 + 917 = 360381
Step 394: 360381 + 917 = 361298
Step 395: 361298 + 917 = 362215
Step 396: 362215 + 917 = 363132
Step 397: 363132 + 917 = 364049
Step 398: 364049 + 917 = 364966
Step 399: 364966 + 917 = 365883
Step 400: 365883 + 917 = 366800
Step 401: 366800 + 917 = 367717
Step 402: 367717 + 917 = 368634
Step 403: 368634 + 917 = 369551
Step 404: 369551 + 917 = 370468
Step 405: 370468 + 917 = 371385
Step 406: 371385 + 917 = 372302
Step 407: 372302 + 917 = 373219
Step 408: 373219 + 917 = 374136
Step 409: 374136 + 917 = 375053
Step 410: 375053 + 917 = 375970
Step 411: 375970 + 917 = 376887
Step 412: 376887 + 917 = 377804
Step 413: 377804 + 917 = 378721
Step 414: 378721 + 917 = 379638
Step 415: 379638 + 917 = 380555
Step 416: 380555 + 917 = 381472
Step 417: 381472 + 917 = 382389
Step 418: 382389 + 917 = 383306
Step 419: 383306 + 917 = 384223
Step 420: 384223 + 917 = 385140
Step 421: 385140 + 917 = 386057
Step 422: 386057 + 917 = 386974
Step 423: 386974 + 917 = 387891
Step 424: 387891 + 917 = 388808
Step 425: 388808 + 917 = 389725
Step 426: 389725 + 917 = 390642
Step 427: 390642 + 917 = 391559
Step 428: 391559 + 917 = 392476
Step 429: 392476 + 917 = 393393
Step 430: 393393 + 917 = 394310
Step 431: 394310 + 917 = 395227
Step 432: 395227 + 917 = 396144
Step 433: 396144 + 917 = 397061
Step 434: 397061 + 917 = 397978
Step 435: 397978 + 917 = 398895
Step 436: 398895 + 917 = 399812
Step 437: 399812 + 917 = 400729
Step 438: 400729 + 917 = 401646
Step 439: 401646 + 917 = 402563
Step 440: 402563 + 917 = 403480
Step 441: 403480 + 917 = 404397
Step 442: 404397 + 917 = 405314
Step 443: 405314 + 917 = 406231
Step 444: 406231 + 917 = 407148
Step 445: 407148 + 917 = 408065
Step 446: 408065 + 917 = 408982
Step 447: 408982 + 917 = 409899
Step 448: 409899 + 917 = 410816
Step 449: 410816 + 917 = 411733
Step 450: 411733 + 917 = 412650
Step 451: 412650 + 917 = 413567
Step 452: 413567 + 917 = 414484
Step 453: 414484 + 917 = 415401
Step 454: 415401 + 917 = 416318
Step 455: 416318 + 917 = 417235
Step 456: 417235 + 917 = 418152
Step 457: 418152 + 917 = 419069
Step 458: 419069 + 917 = 419986
Step 459: 419986 + 917 = 420903
Step 460: 420903 + 917 = 421820
Step 461: 421820 + 917 = 422737
Step 462: 422737 + 917 = 423654
Step 463: 423654 + 917 = 424571
Step 464: 424571 + 917 = 425488
Step 465: 425488 + 917 = 426405
Step 466: 426405 + 917 = 427322
Step 467: 427322 + 917 = 428239
Step 468: 428239 + 917 = 429156
Step 469: 429156 + 917 = 430073
Step 470: 430073 + 917 = 430990
Step 471: 430990 + 917 = 431907
Step 472: 431907 + 917 = 432824
Step 473: 432824 + 917 = 433741
Step 474: 433741 + 917 = 434658
Step 475: 434658 + 917 = 435575
Step 476: 435575 + 917 = 436492
Step 477: 436492 + 917 = 437409
Step 478: 437409 + 917 = 438326
Step 479: 438326 + 917 = 439243
Step 480: 439243 + 917 = 440160
Step 481: 440160 + 917 = 441077
Step 482: 441077 + 917 = 441994
Step 483: 441994 + 917 = 442911
Step 484: 442911 + 917 = 443828
Step 485: 443828 + 917 = 444745
Step 486: 444745 + 917 = 445662
Step 487: 445662 + 917 = 446579
Step 488: 446579 + 917 = 447496
Step 489: 447496 + 917 = 448413
Step 490: 448413 + 917 = 449330

So, 917*490 = 449330