Alright, let's solve this math problem step by step. First, we have the number 729. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 491. So, we're going to take the number 729 and add it to itself 491 times.
Step 1: 0 + 729 = 729
Step 2: 729 + 729 = 1458
Step 3: 1458 + 729 = 2187
Step 4: 2187 + 729 = 2916
Step 5: 2916 + 729 = 3645
Step 6: 3645 + 729 = 4374
Step 7: 4374 + 729 = 5103
Step 8: 5103 + 729 = 5832
Step 9: 5832 + 729 = 6561
Step 10: 6561 + 729 = 7290
Step 11: 7290 + 729 = 8019
Step 12: 8019 + 729 = 8748
Step 13: 8748 + 729 = 9477
Step 14: 9477 + 729 = 10206
Step 15: 10206 + 729 = 10935
Step 16: 10935 + 729 = 11664
Step 17: 11664 + 729 = 12393
Step 18: 12393 + 729 = 13122
Step 19: 13122 + 729 = 13851
Step 20: 13851 + 729 = 14580
Step 21: 14580 + 729 = 15309
Step 22: 15309 + 729 = 16038
Step 23: 16038 + 729 = 16767
Step 24: 16767 + 729 = 17496
Step 25: 17496 + 729 = 18225
Step 26: 18225 + 729 = 18954
Step 27: 18954 + 729 = 19683
Step 28: 19683 + 729 = 20412
Step 29: 20412 + 729 = 21141
Step 30: 21141 + 729 = 21870
Step 31: 21870 + 729 = 22599
Step 32: 22599 + 729 = 23328
Step 33: 23328 + 729 = 24057
Step 34: 24057 + 729 = 24786
Step 35: 24786 + 729 = 25515
Step 36: 25515 + 729 = 26244
Step 37: 26244 + 729 = 26973
Step 38: 26973 + 729 = 27702
Step 39: 27702 + 729 = 28431
Step 40: 28431 + 729 = 29160
Step 41: 29160 + 729 = 29889
Step 42: 29889 + 729 = 30618
Step 43: 30618 + 729 = 31347
Step 44: 31347 + 729 = 32076
Step 45: 32076 + 729 = 32805
Step 46: 32805 + 729 = 33534
Step 47: 33534 + 729 = 34263
Step 48: 34263 + 729 = 34992
Step 49: 34992 + 729 = 35721
Step 50: 35721 + 729 = 36450
Step 51: 36450 + 729 = 37179
Step 52: 37179 + 729 = 37908
Step 53: 37908 + 729 = 38637
Step 54: 38637 + 729 = 39366
Step 55: 39366 + 729 = 40095
Step 56: 40095 + 729 = 40824
Step 57: 40824 + 729 = 41553
Step 58: 41553 + 729 = 42282
Step 59: 42282 + 729 = 43011
Step 60: 43011 + 729 = 43740
Step 61: 43740 + 729 = 44469
Step 62: 44469 + 729 = 45198
Step 63: 45198 + 729 = 45927
Step 64: 45927 + 729 = 46656
Step 65: 46656 + 729 = 47385
Step 66: 47385 + 729 = 48114
Step 67: 48114 + 729 = 48843
Step 68: 48843 + 729 = 49572
Step 69: 49572 + 729 = 50301
Step 70: 50301 + 729 = 51030
Step 71: 51030 + 729 = 51759
Step 72: 51759 + 729 = 52488
Step 73: 52488 + 729 = 53217
Step 74: 53217 + 729 = 53946
Step 75: 53946 + 729 = 54675
Step 76: 54675 + 729 = 55404
Step 77: 55404 + 729 = 56133
Step 78: 56133 + 729 = 56862
Step 79: 56862 + 729 = 57591
Step 80: 57591 + 729 = 58320
Step 81: 58320 + 729 = 59049
Step 82: 59049 + 729 = 59778
Step 83: 59778 + 729 = 60507
Step 84: 60507 + 729 = 61236
Step 85: 61236 + 729 = 61965
Step 86: 61965 + 729 = 62694
Step 87: 62694 + 729 = 63423
Step 88: 63423 + 729 = 64152
Step 89: 64152 + 729 = 64881
Step 90: 64881 + 729 = 65610
Step 91: 65610 + 729 = 66339
Step 92: 66339 + 729 = 67068
Step 93: 67068 + 729 = 67797
Step 94: 67797 + 729 = 68526
Step 95: 68526 + 729 = 69255
Step 96: 69255 + 729 = 69984
Step 97: 69984 + 729 = 70713
Step 98: 70713 + 729 = 71442
Step 99: 71442 + 729 = 72171
Step 100: 72171 + 729 = 72900
Step 101: 72900 + 729 = 73629
Step 102: 73629 + 729 = 74358
Step 103: 74358 + 729 = 75087
Step 104: 75087 + 729 = 75816
Step 105: 75816 + 729 = 76545
Step 106: 76545 + 729 = 77274
Step 107: 77274 + 729 = 78003
Step 108: 78003 + 729 = 78732
Step 109: 78732 + 729 = 79461
Step 110: 79461 + 729 = 80190
Step 111: 80190 + 729 = 80919
Step 112: 80919 + 729 = 81648
Step 113: 81648 + 729 = 82377
Step 114: 82377 + 729 = 83106
Step 115: 83106 + 729 = 83835
Step 116: 83835 + 729 = 84564
Step 117: 84564 + 729 = 85293
Step 118: 85293 + 729 = 86022
Step 119: 86022 + 729 = 86751
Step 120: 86751 + 729 = 87480
Step 121: 87480 + 729 = 88209
Step 122: 88209 + 729 = 88938
Step 123: 88938 + 729 = 89667
Step 124: 89667 + 729 = 90396
Step 125: 90396 + 729 = 91125
Step 126: 91125 + 729 = 91854
Step 127: 91854 + 729 = 92583
Step 128: 92583 + 729 = 93312
Step 129: 93312 + 729 = 94041
Step 130: 94041 + 729 = 94770
Step 131: 94770 + 729 = 95499
Step 132: 95499 + 729 = 96228
Step 133: 96228 + 729 = 96957
Step 134: 96957 + 729 = 97686
Step 135: 97686 + 729 = 98415
Step 136: 98415 + 729 = 99144
Step 137: 99144 + 729 = 99873
Step 138: 99873 + 729 = 100602
Step 139: 100602 + 729 = 101331
Step 140: 101331 + 729 = 102060
Step 141: 102060 + 729 = 102789
Step 142: 102789 + 729 = 103518
Step 143: 103518 + 729 = 104247
Step 144: 104247 + 729 = 104976
Step 145: 104976 + 729 = 105705
Step 146: 105705 + 729 = 106434
Step 147: 106434 + 729 = 107163
Step 148: 107163 + 729 = 107892
Step 149: 107892 + 729 = 108621
Step 150: 108621 + 729 = 109350
Step 151: 109350 + 729 = 110079
Step 152: 110079 + 729 = 110808
Step 153: 110808 + 729 = 111537
Step 154: 111537 + 729 = 112266
Step 155: 112266 + 729 = 112995
Step 156: 112995 + 729 = 113724
Step 157: 113724 + 729 = 114453
Step 158: 114453 + 729 = 115182
Step 159: 115182 + 729 = 115911
Step 160: 115911 + 729 = 116640
Step 161: 116640 + 729 = 117369
Step 162: 117369 + 729 = 118098
Step 163: 118098 + 729 = 118827
Step 164: 118827 + 729 = 119556
Step 165: 119556 + 729 = 120285
Step 166: 120285 + 729 = 121014
Step 167: 121014 + 729 = 121743
Step 168: 121743 + 729 = 122472
Step 169: 122472 + 729 = 123201
Step 170: 123201 + 729 = 123930
Step 171: 123930 + 729 = 124659
Step 172: 124659 + 729 = 125388
Step 173: 125388 + 729 = 126117
Step 174: 126117 + 729 = 126846
Step 175: 126846 + 729 = 127575
Step 176: 127575 + 729 = 128304
Step 177: 128304 + 729 = 129033
Step 178: 129033 + 729 = 129762
Step 179: 129762 + 729 = 130491
Step 180: 130491 + 729 = 131220
Step 181: 131220 + 729 = 131949
Step 182: 131949 + 729 = 132678
Step 183: 132678 + 729 = 133407
Step 184: 133407 + 729 = 134136
Step 185: 134136 + 729 = 134865
Step 186: 134865 + 729 = 135594
Step 187: 135594 + 729 = 136323
Step 188: 136323 + 729 = 137052
Step 189: 137052 + 729 = 137781
Step 190: 137781 + 729 = 138510
Step 191: 138510 + 729 = 139239
Step 192: 139239 + 729 = 139968
Step 193: 139968 + 729 = 140697
Step 194: 140697 + 729 = 141426
Step 195: 141426 + 729 = 142155
Step 196: 142155 + 729 = 142884
Step 197: 142884 + 729 = 143613
Step 198: 143613 + 729 = 144342
Step 199: 144342 + 729 = 145071
Step 200: 145071 + 729 = 145800
Step 201: 145800 + 729 = 146529
Step 202: 146529 + 729 = 147258
Step 203: 147258 + 729 = 147987
Step 204: 147987 + 729 = 148716
Step 205: 148716 + 729 = 149445
Step 206: 149445 + 729 = 150174
Step 207: 150174 + 729 = 150903
Step 208: 150903 + 729 = 151632
Step 209: 151632 + 729 = 152361
Step 210: 152361 + 729 = 153090
Step 211: 153090 + 729 = 153819
Step 212: 153819 + 729 = 154548
Step 213: 154548 + 729 = 155277
Step 214: 155277 + 729 = 156006
Step 215: 156006 + 729 = 156735
Step 216: 156735 + 729 = 157464
Step 217: 157464 + 729 = 158193
Step 218: 158193 + 729 = 158922
Step 219: 158922 + 729 = 159651
Step 220: 159651 + 729 = 160380
Step 221: 160380 + 729 = 161109
Step 222: 161109 + 729 = 161838
Step 223: 161838 + 729 = 162567
Step 224: 162567 + 729 = 163296
Step 225: 163296 + 729 = 164025
Step 226: 164025 + 729 = 164754
Step 227: 164754 + 729 = 165483
Step 228: 165483 + 729 = 166212
Step 229: 166212 + 729 = 166941
Step 230: 166941 + 729 = 167670
Step 231: 167670 + 729 = 168399
Step 232: 168399 + 729 = 169128
Step 233: 169128 + 729 = 169857
Step 234: 169857 + 729 = 170586
Step 235: 170586 + 729 = 171315
Step 236: 171315 + 729 = 172044
Step 237: 172044 + 729 = 172773
Step 238: 172773 + 729 = 173502
Step 239: 173502 + 729 = 174231
Step 240: 174231 + 729 = 174960
Step 241: 174960 + 729 = 175689
Step 242: 175689 + 729 = 176418
Step 243: 176418 + 729 = 177147
Step 244: 177147 + 729 = 177876
Step 245: 177876 + 729 = 178605
Step 246: 178605 + 729 = 179334
Step 247: 179334 + 729 = 180063
Step 248: 180063 + 729 = 180792
Step 249: 180792 + 729 = 181521
Step 250: 181521 + 729 = 182250
Step 251: 182250 + 729 = 182979
Step 252: 182979 + 729 = 183708
Step 253: 183708 + 729 = 184437
Step 254: 184437 + 729 = 185166
Step 255: 185166 + 729 = 185895
Step 256: 185895 + 729 = 186624
Step 257: 186624 + 729 = 187353
Step 258: 187353 + 729 = 188082
Step 259: 188082 + 729 = 188811
Step 260: 188811 + 729 = 189540
Step 261: 189540 + 729 = 190269
Step 262: 190269 + 729 = 190998
Step 263: 190998 + 729 = 191727
Step 264: 191727 + 729 = 192456
Step 265: 192456 + 729 = 193185
Step 266: 193185 + 729 = 193914
Step 267: 193914 + 729 = 194643
Step 268: 194643 + 729 = 195372
Step 269: 195372 + 729 = 196101
Step 270: 196101 + 729 = 196830
Step 271: 196830 + 729 = 197559
Step 272: 197559 + 729 = 198288
Step 273: 198288 + 729 = 199017
Step 274: 199017 + 729 = 199746
Step 275: 199746 + 729 = 200475
Step 276: 200475 + 729 = 201204
Step 277: 201204 + 729 = 201933
Step 278: 201933 + 729 = 202662
Step 279: 202662 + 729 = 203391
Step 280: 203391 + 729 = 204120
Step 281: 204120 + 729 = 204849
Step 282: 204849 + 729 = 205578
Step 283: 205578 + 729 = 206307
Step 284: 206307 + 729 = 207036
Step 285: 207036 + 729 = 207765
Step 286: 207765 + 729 = 208494
Step 287: 208494 + 729 = 209223
Step 288: 209223 + 729 = 209952
Step 289: 209952 + 729 = 210681
Step 290: 210681 + 729 = 211410
Step 291: 211410 + 729 = 212139
Step 292: 212139 + 729 = 212868
Step 293: 212868 + 729 = 213597
Step 294: 213597 + 729 = 214326
Step 295: 214326 + 729 = 215055
Step 296: 215055 + 729 = 215784
Step 297: 215784 + 729 = 216513
Step 298: 216513 + 729 = 217242
Step 299: 217242 + 729 = 217971
Step 300: 217971 + 729 = 218700
Step 301: 218700 + 729 = 219429
Step 302: 219429 + 729 = 220158
Step 303: 220158 + 729 = 220887
Step 304: 220887 + 729 = 221616
Step 305: 221616 + 729 = 222345
Step 306: 222345 + 729 = 223074
Step 307: 223074 + 729 = 223803
Step 308: 223803 + 729 = 224532
Step 309: 224532 + 729 = 225261
Step 310: 225261 + 729 = 225990
Step 311: 225990 + 729 = 226719
Step 312: 226719 + 729 = 227448
Step 313: 227448 + 729 = 228177
Step 314: 228177 + 729 = 228906
Step 315: 228906 + 729 = 229635
Step 316: 229635 + 729 = 230364
Step 317: 230364 + 729 = 231093
Step 318: 231093 + 729 = 231822
Step 319: 231822 + 729 = 232551
Step 320: 232551 + 729 = 233280
Step 321: 233280 + 729 = 234009
Step 322: 234009 + 729 = 234738
Step 323: 234738 + 729 = 235467
Step 324: 235467 + 729 = 236196
Step 325: 236196 + 729 = 236925
Step 326: 236925 + 729 = 237654
Step 327: 237654 + 729 = 238383
Step 328: 238383 + 729 = 239112
Step 329: 239112 + 729 = 239841
Step 330: 239841 + 729 = 240570
Step 331: 240570 + 729 = 241299
Step 332: 241299 + 729 = 242028
Step 333: 242028 + 729 = 242757
Step 334: 242757 + 729 = 243486
Step 335: 243486 + 729 = 244215
Step 336: 244215 + 729 = 244944
Step 337: 244944 + 729 = 245673
Step 338: 245673 + 729 = 246402
Step 339: 246402 + 729 = 247131
Step 340: 247131 + 729 = 247860
Step 341: 247860 + 729 = 248589
Step 342: 248589 + 729 = 249318
Step 343: 249318 + 729 = 250047
Step 344: 250047 + 729 = 250776
Step 345: 250776 + 729 = 251505
Step 346: 251505 + 729 = 252234
Step 347: 252234 + 729 = 252963
Step 348: 252963 + 729 = 253692
Step 349: 253692 + 729 = 254421
Step 350: 254421 + 729 = 255150
Step 351: 255150 + 729 = 255879
Step 352: 255879 + 729 = 256608
Step 353: 256608 + 729 = 257337
Step 354: 257337 + 729 = 258066
Step 355: 258066 + 729 = 258795
Step 356: 258795 + 729 = 259524
Step 357: 259524 + 729 = 260253
Step 358: 260253 + 729 = 260982
Step 359: 260982 + 729 = 261711
Step 360: 261711 + 729 = 262440
Step 361: 262440 + 729 = 263169
Step 362: 263169 + 729 = 263898
Step 363: 263898 + 729 = 264627
Step 364: 264627 + 729 = 265356
Step 365: 265356 + 729 = 266085
Step 366: 266085 + 729 = 266814
Step 367: 266814 + 729 = 267543
Step 368: 267543 + 729 = 268272
Step 369: 268272 + 729 = 269001
Step 370: 269001 + 729 = 269730
Step 371: 269730 + 729 = 270459
Step 372: 270459 + 729 = 271188
Step 373: 271188 + 729 = 271917
Step 374: 271917 + 729 = 272646
Step 375: 272646 + 729 = 273375
Step 376: 273375 + 729 = 274104
Step 377: 274104 + 729 = 274833
Step 378: 274833 + 729 = 275562
Step 379: 275562 + 729 = 276291
Step 380: 276291 + 729 = 277020
Step 381: 277020 + 729 = 277749
Step 382: 277749 + 729 = 278478
Step 383: 278478 + 729 = 279207
Step 384: 279207 + 729 = 279936
Step 385: 279936 + 729 = 280665
Step 386: 280665 + 729 = 281394
Step 387: 281394 + 729 = 282123
Step 388: 282123 + 729 = 282852
Step 389: 282852 + 729 = 283581
Step 390: 283581 + 729 = 284310
Step 391: 284310 + 729 = 285039
Step 392: 285039 + 729 = 285768
Step 393: 285768 + 729 = 286497
Step 394: 286497 + 729 = 287226
Step 395: 287226 + 729 = 287955
Step 396: 287955 + 729 = 288684
Step 397: 288684 + 729 = 289413
Step 398: 289413 + 729 = 290142
Step 399: 290142 + 729 = 290871
Step 400: 290871 + 729 = 291600
Step 401: 291600 + 729 = 292329
Step 402: 292329 + 729 = 293058
Step 403: 293058 + 729 = 293787
Step 404: 293787 + 729 = 294516
Step 405: 294516 + 729 = 295245
Step 406: 295245 + 729 = 295974
Step 407: 295974 + 729 = 296703
Step 408: 296703 + 729 = 297432
Step 409: 297432 + 729 = 298161
Step 410: 298161 + 729 = 298890
Step 411: 298890 + 729 = 299619
Step 412: 299619 + 729 = 300348
Step 413: 300348 + 729 = 301077
Step 414: 301077 + 729 = 301806
Step 415: 301806 + 729 = 302535
Step 416: 302535 + 729 = 303264
Step 417: 303264 + 729 = 303993
Step 418: 303993 + 729 = 304722
Step 419: 304722 + 729 = 305451
Step 420: 305451 + 729 = 306180
Step 421: 306180 + 729 = 306909
Step 422: 306909 + 729 = 307638
Step 423: 307638 + 729 = 308367
Step 424: 308367 + 729 = 309096
Step 425: 309096 + 729 = 309825
Step 426: 309825 + 729 = 310554
Step 427: 310554 + 729 = 311283
Step 428: 311283 + 729 = 312012
Step 429: 312012 + 729 = 312741
Step 430: 312741 + 729 = 313470
Step 431: 313470 + 729 = 314199
Step 432: 314199 + 729 = 314928
Step 433: 314928 + 729 = 315657
Step 434: 315657 + 729 = 316386
Step 435: 316386 + 729 = 317115
Step 436: 317115 + 729 = 317844
Step 437: 317844 + 729 = 318573
Step 438: 318573 + 729 = 319302
Step 439: 319302 + 729 = 320031
Step 440: 320031 + 729 = 320760
Step 441: 320760 + 729 = 321489
Step 442: 321489 + 729 = 322218
Step 443: 322218 + 729 = 322947
Step 444: 322947 + 729 = 323676
Step 445: 323676 + 729 = 324405
Step 446: 324405 + 729 = 325134
Step 447: 325134 + 729 = 325863
Step 448: 325863 + 729 = 326592
Step 449: 326592 + 729 = 327321
Step 450: 327321 + 729 = 328050
Step 451: 328050 + 729 = 328779
Step 452: 328779 + 729 = 329508
Step 453: 329508 + 729 = 330237
Step 454: 330237 + 729 = 330966
Step 455: 330966 + 729 = 331695
Step 456: 331695 + 729 = 332424
Step 457: 332424 + 729 = 333153
Step 458: 333153 + 729 = 333882
Step 459: 333882 + 729 = 334611
Step 460: 334611 + 729 = 335340
Step 461: 335340 + 729 = 336069
Step 462: 336069 + 729 = 336798
Step 463: 336798 + 729 = 337527
Step 464: 337527 + 729 = 338256
Step 465: 338256 + 729 = 338985
Step 466: 338985 + 729 = 339714
Step 467: 339714 + 729 = 340443
Step 468: 340443 + 729 = 341172
Step 469: 341172 + 729 = 341901
Step 470: 341901 + 729 = 342630
Step 471: 342630 + 729 = 343359
Step 472: 343359 + 729 = 344088
Step 473: 344088 + 729 = 344817
Step 474: 344817 + 729 = 345546
Step 475: 345546 + 729 = 346275
Step 476: 346275 + 729 = 347004
Step 477: 347004 + 729 = 347733
Step 478: 347733 + 729 = 348462
Step 479: 348462 + 729 = 349191
Step 480: 349191 + 729 = 349920
Step 481: 349920 + 729 = 350649
Step 482: 350649 + 729 = 351378
Step 483: 351378 + 729 = 352107
Step 484: 352107 + 729 = 352836
Step 485: 352836 + 729 = 353565
Step 486: 353565 + 729 = 354294
Step 487: 354294 + 729 = 355023
Step 488: 355023 + 729 = 355752
Step 489: 355752 + 729 = 356481
Step 490: 356481 + 729 = 357210
Step 491: 357210 + 729 = 357939

So, 729*491 = 357939