Sure thing, let's get straight to it. We start with 323 and we're going to multiply it by 491, which means adding 323 to itself 491 times.
Step 1: 0 + 323 = 323
Step 2: 323 + 323 = 646
Step 3: 646 + 323 = 969
Step 4: 969 + 323 = 1292
Step 5: 1292 + 323 = 1615
Step 6: 1615 + 323 = 1938
Step 7: 1938 + 323 = 2261
Step 8: 2261 + 323 = 2584
Step 9: 2584 + 323 = 2907
Step 10: 2907 + 323 = 3230
Step 11: 3230 + 323 = 3553
Step 12: 3553 + 323 = 3876
Step 13: 3876 + 323 = 4199
Step 14: 4199 + 323 = 4522
Step 15: 4522 + 323 = 4845
Step 16: 4845 + 323 = 5168
Step 17: 5168 + 323 = 5491
Step 18: 5491 + 323 = 5814
Step 19: 5814 + 323 = 6137
Step 20: 6137 + 323 = 6460
Step 21: 6460 + 323 = 6783
Step 22: 6783 + 323 = 7106
Step 23: 7106 + 323 = 7429
Step 24: 7429 + 323 = 7752
Step 25: 7752 + 323 = 8075
Step 26: 8075 + 323 = 8398
Step 27: 8398 + 323 = 8721
Step 28: 8721 + 323 = 9044
Step 29: 9044 + 323 = 9367
Step 30: 9367 + 323 = 9690
Step 31: 9690 + 323 = 10013
Step 32: 10013 + 323 = 10336
Step 33: 10336 + 323 = 10659
Step 34: 10659 + 323 = 10982
Step 35: 10982 + 323 = 11305
Step 36: 11305 + 323 = 11628
Step 37: 11628 + 323 = 11951
Step 38: 11951 + 323 = 12274
Step 39: 12274 + 323 = 12597
Step 40: 12597 + 323 = 12920
Step 41: 12920 + 323 = 13243
Step 42: 13243 + 323 = 13566
Step 43: 13566 + 323 = 13889
Step 44: 13889 + 323 = 14212
Step 45: 14212 + 323 = 14535
Step 46: 14535 + 323 = 14858
Step 47: 14858 + 323 = 15181
Step 48: 15181 + 323 = 15504
Step 49: 15504 + 323 = 15827
Step 50: 15827 + 323 = 16150
Step 51: 16150 + 323 = 16473
Step 52: 16473 + 323 = 16796
Step 53: 16796 + 323 = 17119
Step 54: 17119 + 323 = 17442
Step 55: 17442 + 323 = 17765
Step 56: 17765 + 323 = 18088
Step 57: 18088 + 323 = 18411
Step 58: 18411 + 323 = 18734
Step 59: 18734 + 323 = 19057
Step 60: 19057 + 323 = 19380
Step 61: 19380 + 323 = 19703
Step 62: 19703 + 323 = 20026
Step 63: 20026 + 323 = 20349
Step 64: 20349 + 323 = 20672
Step 65: 20672 + 323 = 20995
Step 66: 20995 + 323 = 21318
Step 67: 21318 + 323 = 21641
Step 68: 21641 + 323 = 21964
Step 69: 21964 + 323 = 22287
Step 70: 22287 + 323 = 22610
Step 71: 22610 + 323 = 22933
Step 72: 22933 + 323 = 23256
Step 73: 23256 + 323 = 23579
Step 74: 23579 + 323 = 23902
Step 75: 23902 + 323 = 24225
Step 76: 24225 + 323 = 24548
Step 77: 24548 + 323 = 24871
Step 78: 24871 + 323 = 25194
Step 79: 25194 + 323 = 25517
Step 80: 25517 + 323 = 25840
Step 81: 25840 + 323 = 26163
Step 82: 26163 + 323 = 26486
Step 83: 26486 + 323 = 26809
Step 84: 26809 + 323 = 27132
Step 85: 27132 + 323 = 27455
Step 86: 27455 + 323 = 27778
Step 87: 27778 + 323 = 28101
Step 88: 28101 + 323 = 28424
Step 89: 28424 + 323 = 28747
Step 90: 28747 + 323 = 29070
Step 91: 29070 + 323 = 29393
Step 92: 29393 + 323 = 29716
Step 93: 29716 + 323 = 30039
Step 94: 30039 + 323 = 30362
Step 95: 30362 + 323 = 30685
Step 96: 30685 + 323 = 31008
Step 97: 31008 + 323 = 31331
Step 98: 31331 + 323 = 31654
Step 99: 31654 + 323 = 31977
Step 100: 31977 + 323 = 32300
Step 101: 32300 + 323 = 32623
Step 102: 32623 + 323 = 32946
Step 103: 32946 + 323 = 33269
Step 104: 33269 + 323 = 33592
Step 105: 33592 + 323 = 33915
Step 106: 33915 + 323 = 34238
Step 107: 34238 + 323 = 34561
Step 108: 34561 + 323 = 34884
Step 109: 34884 + 323 = 35207
Step 110: 35207 + 323 = 35530
Step 111: 35530 + 323 = 35853
Step 112: 35853 + 323 = 36176
Step 113: 36176 + 323 = 36499
Step 114: 36499 + 323 = 36822
Step 115: 36822 + 323 = 37145
Step 116: 37145 + 323 = 37468
Step 117: 37468 + 323 = 37791
Step 118: 37791 + 323 = 38114
Step 119: 38114 + 323 = 38437
Step 120: 38437 + 323 = 38760
Step 121: 38760 + 323 = 39083
Step 122: 39083 + 323 = 39406
Step 123: 39406 + 323 = 39729
Step 124: 39729 + 323 = 40052
Step 125: 40052 + 323 = 40375
Step 126: 40375 + 323 = 40698
Step 127: 40698 + 323 = 41021
Step 128: 41021 + 323 = 41344
Step 129: 41344 + 323 = 41667
Step 130: 41667 + 323 = 41990
Step 131: 41990 + 323 = 42313
Step 132: 42313 + 323 = 42636
Step 133: 42636 + 323 = 42959
Step 134: 42959 + 323 = 43282
Step 135: 43282 + 323 = 43605
Step 136: 43605 + 323 = 43928
Step 137: 43928 + 323 = 44251
Step 138: 44251 + 323 = 44574
Step 139: 44574 + 323 = 44897
Step 140: 44897 + 323 = 45220
Step 141: 45220 + 323 = 45543
Step 142: 45543 + 323 = 45866
Step 143: 45866 + 323 = 46189
Step 144: 46189 + 323 = 46512
Step 145: 46512 + 323 = 46835
Step 146: 46835 + 323 = 47158
Step 147: 47158 + 323 = 47481
Step 148: 47481 + 323 = 47804
Step 149: 47804 + 323 = 48127
Step 150: 48127 + 323 = 48450
Step 151: 48450 + 323 = 48773
Step 152: 48773 + 323 = 49096
Step 153: 49096 + 323 = 49419
Step 154: 49419 + 323 = 49742
Step 155: 49742 + 323 = 50065
Step 156: 50065 + 323 = 50388
Step 157: 50388 + 323 = 50711
Step 158: 50711 + 323 = 51034
Step 159: 51034 + 323 = 51357
Step 160: 51357 + 323 = 51680
Step 161: 51680 + 323 = 52003
Step 162: 52003 + 323 = 52326
Step 163: 52326 + 323 = 52649
Step 164: 52649 + 323 = 52972
Step 165: 52972 + 323 = 53295
Step 166: 53295 + 323 = 53618
Step 167: 53618 + 323 = 53941
Step 168: 53941 + 323 = 54264
Step 169: 54264 + 323 = 54587
Step 170: 54587 + 323 = 54910
Step 171: 54910 + 323 = 55233
Step 172: 55233 + 323 = 55556
Step 173: 55556 + 323 = 55879
Step 174: 55879 + 323 = 56202
Step 175: 56202 + 323 = 56525
Step 176: 56525 + 323 = 56848
Step 177: 56848 + 323 = 57171
Step 178: 57171 + 323 = 57494
Step 179: 57494 + 323 = 57817
Step 180: 57817 + 323 = 58140
Step 181: 58140 + 323 = 58463
Step 182: 58463 + 323 = 58786
Step 183: 58786 + 323 = 59109
Step 184: 59109 + 323 = 59432
Step 185: 59432 + 323 = 59755
Step 186: 59755 + 323 = 60078
Step 187: 60078 + 323 = 60401
Step 188: 60401 + 323 = 60724
Step 189: 60724 + 323 = 61047
Step 190: 61047 + 323 = 61370
Step 191: 61370 + 323 = 61693
Step 192: 61693 + 323 = 62016
Step 193: 62016 + 323 = 62339
Step 194: 62339 + 323 = 62662
Step 195: 62662 + 323 = 62985
Step 196: 62985 + 323 = 63308
Step 197: 63308 + 323 = 63631
Step 198: 63631 + 323 = 63954
Step 199: 63954 + 323 = 64277
Step 200: 64277 + 323 = 64600
Step 201: 64600 + 323 = 64923
Step 202: 64923 + 323 = 65246
Step 203: 65246 + 323 = 65569
Step 204: 65569 + 323 = 65892
Step 205: 65892 + 323 = 66215
Step 206: 66215 + 323 = 66538
Step 207: 66538 + 323 = 66861
Step 208: 66861 + 323 = 67184
Step 209: 67184 + 323 = 67507
Step 210: 67507 + 323 = 67830
Step 211: 67830 + 323 = 68153
Step 212: 68153 + 323 = 68476
Step 213: 68476 + 323 = 68799
Step 214: 68799 + 323 = 69122
Step 215: 69122 + 323 = 69445
Step 216: 69445 + 323 = 69768
Step 217: 69768 + 323 = 70091
Step 218: 70091 + 323 = 70414
Step 219: 70414 + 323 = 70737
Step 220: 70737 + 323 = 71060
Step 221: 71060 + 323 = 71383
Step 222: 71383 + 323 = 71706
Step 223: 71706 + 323 = 72029
Step 224: 72029 + 323 = 72352
Step 225: 72352 + 323 = 72675
Step 226: 72675 + 323 = 72998
Step 227: 72998 + 323 = 73321
Step 228: 73321 + 323 = 73644
Step 229: 73644 + 323 = 73967
Step 230: 73967 + 323 = 74290
Step 231: 74290 + 323 = 74613
Step 232: 74613 + 323 = 74936
Step 233: 74936 + 323 = 75259
Step 234: 75259 + 323 = 75582
Step 235: 75582 + 323 = 75905
Step 236: 75905 + 323 = 76228
Step 237: 76228 + 323 = 76551
Step 238: 76551 + 323 = 76874
Step 239: 76874 + 323 = 77197
Step 240: 77197 + 323 = 77520
Step 241: 77520 + 323 = 77843
Step 242: 77843 + 323 = 78166
Step 243: 78166 + 323 = 78489
Step 244: 78489 + 323 = 78812
Step 245: 78812 + 323 = 79135
Step 246: 79135 + 323 = 79458
Step 247: 79458 + 323 = 79781
Step 248: 79781 + 323 = 80104
Step 249: 80104 + 323 = 80427
Step 250: 80427 + 323 = 80750
Step 251: 80750 + 323 = 81073
Step 252: 81073 + 323 = 81396
Step 253: 81396 + 323 = 81719
Step 254: 81719 + 323 = 82042
Step 255: 82042 + 323 = 82365
Step 256: 82365 + 323 = 82688
Step 257: 82688 + 323 = 83011
Step 258: 83011 + 323 = 83334
Step 259: 83334 + 323 = 83657
Step 260: 83657 + 323 = 83980
Step 261: 83980 + 323 = 84303
Step 262: 84303 + 323 = 84626
Step 263: 84626 + 323 = 84949
Step 264: 84949 + 323 = 85272
Step 265: 85272 + 323 = 85595
Step 266: 85595 + 323 = 85918
Step 267: 85918 + 323 = 86241
Step 268: 86241 + 323 = 86564
Step 269: 86564 + 323 = 86887
Step 270: 86887 + 323 = 87210
Step 271: 87210 + 323 = 87533
Step 272: 87533 + 323 = 87856
Step 273: 87856 + 323 = 88179
Step 274: 88179 + 323 = 88502
Step 275: 88502 + 323 = 88825
Step 276: 88825 + 323 = 89148
Step 277: 89148 + 323 = 89471
Step 278: 89471 + 323 = 89794
Step 279: 89794 + 323 = 90117
Step 280: 90117 + 323 = 90440
Step 281: 90440 + 323 = 90763
Step 282: 90763 + 323 = 91086
Step 283: 91086 + 323 = 91409
Step 284: 91409 + 323 = 91732
Step 285: 91732 + 323 = 92055
Step 286: 92055 + 323 = 92378
Step 287: 92378 + 323 = 92701
Step 288: 92701 + 323 = 93024
Step 289: 93024 + 323 = 93347
Step 290: 93347 + 323 = 93670
Step 291: 93670 + 323 = 93993
Step 292: 93993 + 323 = 94316
Step 293: 94316 + 323 = 94639
Step 294: 94639 + 323 = 94962
Step 295: 94962 + 323 = 95285
Step 296: 95285 + 323 = 95608
Step 297: 95608 + 323 = 95931
Step 298: 95931 + 323 = 96254
Step 299: 96254 + 323 = 96577
Step 300: 96577 + 323 = 96900
Step 301: 96900 + 323 = 97223
Step 302: 97223 + 323 = 97546
Step 303: 97546 + 323 = 97869
Step 304: 97869 + 323 = 98192
Step 305: 98192 + 323 = 98515
Step 306: 98515 + 323 = 98838
Step 307: 98838 + 323 = 99161
Step 308: 99161 + 323 = 99484
Step 309: 99484 + 323 = 99807
Step 310: 99807 + 323 = 100130
Step 311: 100130 + 323 = 100453
Step 312: 100453 + 323 = 100776
Step 313: 100776 + 323 = 101099
Step 314: 101099 + 323 = 101422
Step 315: 101422 + 323 = 101745
Step 316: 101745 + 323 = 102068
Step 317: 102068 + 323 = 102391
Step 318: 102391 + 323 = 102714
Step 319: 102714 + 323 = 103037
Step 320: 103037 + 323 = 103360
Step 321: 103360 + 323 = 103683
Step 322: 103683 + 323 = 104006
Step 323: 104006 + 323 = 104329
Step 324: 104329 + 323 = 104652
Step 325: 104652 + 323 = 104975
Step 326: 104975 + 323 = 105298
Step 327: 105298 + 323 = 105621
Step 328: 105621 + 323 = 105944
Step 329: 105944 + 323 = 106267
Step 330: 106267 + 323 = 106590
Step 331: 106590 + 323 = 106913
Step 332: 106913 + 323 = 107236
Step 333: 107236 + 323 = 107559
Step 334: 107559 + 323 = 107882
Step 335: 107882 + 323 = 108205
Step 336: 108205 + 323 = 108528
Step 337: 108528 + 323 = 108851
Step 338: 108851 + 323 = 109174
Step 339: 109174 + 323 = 109497
Step 340: 109497 + 323 = 109820
Step 341: 109820 + 323 = 110143
Step 342: 110143 + 323 = 110466
Step 343: 110466 + 323 = 110789
Step 344: 110789 + 323 = 111112
Step 345: 111112 + 323 = 111435
Step 346: 111435 + 323 = 111758
Step 347: 111758 + 323 = 112081
Step 348: 112081 + 323 = 112404
Step 349: 112404 + 323 = 112727
Step 350: 112727 + 323 = 113050
Step 351: 113050 + 323 = 113373
Step 352: 113373 + 323 = 113696
Step 353: 113696 + 323 = 114019
Step 354: 114019 + 323 = 114342
Step 355: 114342 + 323 = 114665
Step 356: 114665 + 323 = 114988
Step 357: 114988 + 323 = 115311
Step 358: 115311 + 323 = 115634
Step 359: 115634 + 323 = 115957
Step 360: 115957 + 323 = 116280
Step 361: 116280 + 323 = 116603
Step 362: 116603 + 323 = 116926
Step 363: 116926 + 323 = 117249
Step 364: 117249 + 323 = 117572
Step 365: 117572 + 323 = 117895
Step 366: 117895 + 323 = 118218
Step 367: 118218 + 323 = 118541
Step 368: 118541 + 323 = 118864
Step 369: 118864 + 323 = 119187
Step 370: 119187 + 323 = 119510
Step 371: 119510 + 323 = 119833
Step 372: 119833 + 323 = 120156
Step 373: 120156 + 323 = 120479
Step 374: 120479 + 323 = 120802
Step 375: 120802 + 323 = 121125
Step 376: 121125 + 323 = 121448
Step 377: 121448 + 323 = 121771
Step 378: 121771 + 323 = 122094
Step 379: 122094 + 323 = 122417
Step 380: 122417 + 323 = 122740
Step 381: 122740 + 323 = 123063
Step 382: 123063 + 323 = 123386
Step 383: 123386 + 323 = 123709
Step 384: 123709 + 323 = 124032
Step 385: 124032 + 323 = 124355
Step 386: 124355 + 323 = 124678
Step 387: 124678 + 323 = 125001
Step 388: 125001 + 323 = 125324
Step 389: 125324 + 323 = 125647
Step 390: 125647 + 323 = 125970
Step 391: 125970 + 323 = 126293
Step 392: 126293 + 323 = 126616
Step 393: 126616 + 323 = 126939
Step 394: 126939 + 323 = 127262
Step 395: 127262 + 323 = 127585
Step 396: 127585 + 323 = 127908
Step 397: 127908 + 323 = 128231
Step 398: 128231 + 323 = 128554
Step 399: 128554 + 323 = 128877
Step 400: 128877 + 323 = 129200
Step 401: 129200 + 323 = 129523
Step 402: 129523 + 323 = 129846
Step 403: 129846 + 323 = 130169
Step 404: 130169 + 323 = 130492
Step 405: 130492 + 323 = 130815
Step 406: 130815 + 323 = 131138
Step 407: 131138 + 323 = 131461
Step 408: 131461 + 323 = 131784
Step 409: 131784 + 323 = 132107
Step 410: 132107 + 323 = 132430
Step 411: 132430 + 323 = 132753
Step 412: 132753 + 323 = 133076
Step 413: 133076 + 323 = 133399
Step 414: 133399 + 323 = 133722
Step 415: 133722 + 323 = 134045
Step 416: 134045 + 323 = 134368
Step 417: 134368 + 323 = 134691
Step 418: 134691 + 323 = 135014
Step 419: 135014 + 323 = 135337
Step 420: 135337 + 323 = 135660
Step 421: 135660 + 323 = 135983
Step 422: 135983 + 323 = 136306
Step 423: 136306 + 323 = 136629
Step 424: 136629 + 323 = 136952
Step 425: 136952 + 323 = 137275
Step 426: 137275 + 323 = 137598
Step 427: 137598 + 323 = 137921
Step 428: 137921 + 323 = 138244
Step 429: 138244 + 323 = 138567
Step 430: 138567 + 323 = 138890
Step 431: 138890 + 323 = 139213
Step 432: 139213 + 323 = 139536
Step 433: 139536 + 323 = 139859
Step 434: 139859 + 323 = 140182
Step 435: 140182 + 323 = 140505
Step 436: 140505 + 323 = 140828
Step 437: 140828 + 323 = 141151
Step 438: 141151 + 323 = 141474
Step 439: 141474 + 323 = 141797
Step 440: 141797 + 323 = 142120
Step 441: 142120 + 323 = 142443
Step 442: 142443 + 323 = 142766
Step 443: 142766 + 323 = 143089
Step 444: 143089 + 323 = 143412
Step 445: 143412 + 323 = 143735
Step 446: 143735 + 323 = 144058
Step 447: 144058 + 323 = 144381
Step 448: 144381 + 323 = 144704
Step 449: 144704 + 323 = 145027
Step 450: 145027 + 323 = 145350
Step 451: 145350 + 323 = 145673
Step 452: 145673 + 323 = 145996
Step 453: 145996 + 323 = 146319
Step 454: 146319 + 323 = 146642
Step 455: 146642 + 323 = 146965
Step 456: 146965 + 323 = 147288
Step 457: 147288 + 323 = 147611
Step 458: 147611 + 323 = 147934
Step 459: 147934 + 323 = 148257
Step 460: 148257 + 323 = 148580
Step 461: 148580 + 323 = 148903
Step 462: 148903 + 323 = 149226
Step 463: 149226 + 323 = 149549
Step 464: 149549 + 323 = 149872
Step 465: 149872 + 323 = 150195
Step 466: 150195 + 323 = 150518
Step 467: 150518 + 323 = 150841
Step 468: 150841 + 323 = 151164
Step 469: 151164 + 323 = 151487
Step 470: 151487 + 323 = 151810
Step 471: 151810 + 323 = 152133
Step 472: 152133 + 323 = 152456
Step 473: 152456 + 323 = 152779
Step 474: 152779 + 323 = 153102
Step 475: 153102 + 323 = 153425
Step 476: 153425 + 323 = 153748
Step 477: 153748 + 323 = 154071
Step 478: 154071 + 323 = 154394
Step 479: 154394 + 323 = 154717
Step 480: 154717 + 323 = 155040
Step 481: 155040 + 323 = 155363
Step 482: 155363 + 323 = 155686
Step 483: 155686 + 323 = 156009
Step 484: 156009 + 323 = 156332
Step 485: 156332 + 323 = 156655
Step 486: 156655 + 323 = 156978
Step 487: 156978 + 323 = 157301
Step 488: 157301 + 323 = 157624
Step 489: 157624 + 323 = 157947
Step 490: 157947 + 323 = 158270
Step 491: 158270 + 323 = 158593

So, 323*491 = 158593