Alright, let's solve this math problem step by step. First, we have the number 343. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 449. So, we're going to take the number 343 and add it to itself 449 times.
Step 1: 0 + 343 = 343
Step 2: 343 + 343 = 686
Step 3: 686 + 343 = 1029
Step 4: 1029 + 343 = 1372
Step 5: 1372 + 343 = 1715
Step 6: 1715 + 343 = 2058
Step 7: 2058 + 343 = 2401
Step 8: 2401 + 343 = 2744
Step 9: 2744 + 343 = 3087
Step 10: 3087 + 343 = 3430
Step 11: 3430 + 343 = 3773
Step 12: 3773 + 343 = 4116
Step 13: 4116 + 343 = 4459
Step 14: 4459 + 343 = 4802
Step 15: 4802 + 343 = 5145
Step 16: 5145 + 343 = 5488
Step 17: 5488 + 343 = 5831
Step 18: 5831 + 343 = 6174
Step 19: 6174 + 343 = 6517
Step 20: 6517 + 343 = 6860
Step 21: 6860 + 343 = 7203
Step 22: 7203 + 343 = 7546
Step 23: 7546 + 343 = 7889
Step 24: 7889 + 343 = 8232
Step 25: 8232 + 343 = 8575
Step 26: 8575 + 343 = 8918
Step 27: 8918 + 343 = 9261
Step 28: 9261 + 343 = 9604
Step 29: 9604 + 343 = 9947
Step 30: 9947 + 343 = 10290
Step 31: 10290 + 343 = 10633
Step 32: 10633 + 343 = 10976
Step 33: 10976 + 343 = 11319
Step 34: 11319 + 343 = 11662
Step 35: 11662 + 343 = 12005
Step 36: 12005 + 343 = 12348
Step 37: 12348 + 343 = 12691
Step 38: 12691 + 343 = 13034
Step 39: 13034 + 343 = 13377
Step 40: 13377 + 343 = 13720
Step 41: 13720 + 343 = 14063
Step 42: 14063 + 343 = 14406
Step 43: 14406 + 343 = 14749
Step 44: 14749 + 343 = 15092
Step 45: 15092 + 343 = 15435
Step 46: 15435 + 343 = 15778
Step 47: 15778 + 343 = 16121
Step 48: 16121 + 343 = 16464
Step 49: 16464 + 343 = 16807
Step 50: 16807 + 343 = 17150
Step 51: 17150 + 343 = 17493
Step 52: 17493 + 343 = 17836
Step 53: 17836 + 343 = 18179
Step 54: 18179 + 343 = 18522
Step 55: 18522 + 343 = 18865
Step 56: 18865 + 343 = 19208
Step 57: 19208 + 343 = 19551
Step 58: 19551 + 343 = 19894
Step 59: 19894 + 343 = 20237
Step 60: 20237 + 343 = 20580
Step 61: 20580 + 343 = 20923
Step 62: 20923 + 343 = 21266
Step 63: 21266 + 343 = 21609
Step 64: 21609 + 343 = 21952
Step 65: 21952 + 343 = 22295
Step 66: 22295 + 343 = 22638
Step 67: 22638 + 343 = 22981
Step 68: 22981 + 343 = 23324
Step 69: 23324 + 343 = 23667
Step 70: 23667 + 343 = 24010
Step 71: 24010 + 343 = 24353
Step 72: 24353 + 343 = 24696
Step 73: 24696 + 343 = 25039
Step 74: 25039 + 343 = 25382
Step 75: 25382 + 343 = 25725
Step 76: 25725 + 343 = 26068
Step 77: 26068 + 343 = 26411
Step 78: 26411 + 343 = 26754
Step 79: 26754 + 343 = 27097
Step 80: 27097 + 343 = 27440
Step 81: 27440 + 343 = 27783
Step 82: 27783 + 343 = 28126
Step 83: 28126 + 343 = 28469
Step 84: 28469 + 343 = 28812
Step 85: 28812 + 343 = 29155
Step 86: 29155 + 343 = 29498
Step 87: 29498 + 343 = 29841
Step 88: 29841 + 343 = 30184
Step 89: 30184 + 343 = 30527
Step 90: 30527 + 343 = 30870
Step 91: 30870 + 343 = 31213
Step 92: 31213 + 343 = 31556
Step 93: 31556 + 343 = 31899
Step 94: 31899 + 343 = 32242
Step 95: 32242 + 343 = 32585
Step 96: 32585 + 343 = 32928
Step 97: 32928 + 343 = 33271
Step 98: 33271 + 343 = 33614
Step 99: 33614 + 343 = 33957
Step 100: 33957 + 343 = 34300
Step 101: 34300 + 343 = 34643
Step 102: 34643 + 343 = 34986
Step 103: 34986 + 343 = 35329
Step 104: 35329 + 343 = 35672
Step 105: 35672 + 343 = 36015
Step 106: 36015 + 343 = 36358
Step 107: 36358 + 343 = 36701
Step 108: 36701 + 343 = 37044
Step 109: 37044 + 343 = 37387
Step 110: 37387 + 343 = 37730
Step 111: 37730 + 343 = 38073
Step 112: 38073 + 343 = 38416
Step 113: 38416 + 343 = 38759
Step 114: 38759 + 343 = 39102
Step 115: 39102 + 343 = 39445
Step 116: 39445 + 343 = 39788
Step 117: 39788 + 343 = 40131
Step 118: 40131 + 343 = 40474
Step 119: 40474 + 343 = 40817
Step 120: 40817 + 343 = 41160
Step 121: 41160 + 343 = 41503
Step 122: 41503 + 343 = 41846
Step 123: 41846 + 343 = 42189
Step 124: 42189 + 343 = 42532
Step 125: 42532 + 343 = 42875
Step 126: 42875 + 343 = 43218
Step 127: 43218 + 343 = 43561
Step 128: 43561 + 343 = 43904
Step 129: 43904 + 343 = 44247
Step 130: 44247 + 343 = 44590
Step 131: 44590 + 343 = 44933
Step 132: 44933 + 343 = 45276
Step 133: 45276 + 343 = 45619
Step 134: 45619 + 343 = 45962
Step 135: 45962 + 343 = 46305
Step 136: 46305 + 343 = 46648
Step 137: 46648 + 343 = 46991
Step 138: 46991 + 343 = 47334
Step 139: 47334 + 343 = 47677
Step 140: 47677 + 343 = 48020
Step 141: 48020 + 343 = 48363
Step 142: 48363 + 343 = 48706
Step 143: 48706 + 343 = 49049
Step 144: 49049 + 343 = 49392
Step 145: 49392 + 343 = 49735
Step 146: 49735 + 343 = 50078
Step 147: 50078 + 343 = 50421
Step 148: 50421 + 343 = 50764
Step 149: 50764 + 343 = 51107
Step 150: 51107 + 343 = 51450
Step 151: 51450 + 343 = 51793
Step 152: 51793 + 343 = 52136
Step 153: 52136 + 343 = 52479
Step 154: 52479 + 343 = 52822
Step 155: 52822 + 343 = 53165
Step 156: 53165 + 343 = 53508
Step 157: 53508 + 343 = 53851
Step 158: 53851 + 343 = 54194
Step 159: 54194 + 343 = 54537
Step 160: 54537 + 343 = 54880
Step 161: 54880 + 343 = 55223
Step 162: 55223 + 343 = 55566
Step 163: 55566 + 343 = 55909
Step 164: 55909 + 343 = 56252
Step 165: 56252 + 343 = 56595
Step 166: 56595 + 343 = 56938
Step 167: 56938 + 343 = 57281
Step 168: 57281 + 343 = 57624
Step 169: 57624 + 343 = 57967
Step 170: 57967 + 343 = 58310
Step 171: 58310 + 343 = 58653
Step 172: 58653 + 343 = 58996
Step 173: 58996 + 343 = 59339
Step 174: 59339 + 343 = 59682
Step 175: 59682 + 343 = 60025
Step 176: 60025 + 343 = 60368
Step 177: 60368 + 343 = 60711
Step 178: 60711 + 343 = 61054
Step 179: 61054 + 343 = 61397
Step 180: 61397 + 343 = 61740
Step 181: 61740 + 343 = 62083
Step 182: 62083 + 343 = 62426
Step 183: 62426 + 343 = 62769
Step 184: 62769 + 343 = 63112
Step 185: 63112 + 343 = 63455
Step 186: 63455 + 343 = 63798
Step 187: 63798 + 343 = 64141
Step 188: 64141 + 343 = 64484
Step 189: 64484 + 343 = 64827
Step 190: 64827 + 343 = 65170
Step 191: 65170 + 343 = 65513
Step 192: 65513 + 343 = 65856
Step 193: 65856 + 343 = 66199
Step 194: 66199 + 343 = 66542
Step 195: 66542 + 343 = 66885
Step 196: 66885 + 343 = 67228
Step 197: 67228 + 343 = 67571
Step 198: 67571 + 343 = 67914
Step 199: 67914 + 343 = 68257
Step 200: 68257 + 343 = 68600
Step 201: 68600 + 343 = 68943
Step 202: 68943 + 343 = 69286
Step 203: 69286 + 343 = 69629
Step 204: 69629 + 343 = 69972
Step 205: 69972 + 343 = 70315
Step 206: 70315 + 343 = 70658
Step 207: 70658 + 343 = 71001
Step 208: 71001 + 343 = 71344
Step 209: 71344 + 343 = 71687
Step 210: 71687 + 343 = 72030
Step 211: 72030 + 343 = 72373
Step 212: 72373 + 343 = 72716
Step 213: 72716 + 343 = 73059
Step 214: 73059 + 343 = 73402
Step 215: 73402 + 343 = 73745
Step 216: 73745 + 343 = 74088
Step 217: 74088 + 343 = 74431
Step 218: 74431 + 343 = 74774
Step 219: 74774 + 343 = 75117
Step 220: 75117 + 343 = 75460
Step 221: 75460 + 343 = 75803
Step 222: 75803 + 343 = 76146
Step 223: 76146 + 343 = 76489
Step 224: 76489 + 343 = 76832
Step 225: 76832 + 343 = 77175
Step 226: 77175 + 343 = 77518
Step 227: 77518 + 343 = 77861
Step 228: 77861 + 343 = 78204
Step 229: 78204 + 343 = 78547
Step 230: 78547 + 343 = 78890
Step 231: 78890 + 343 = 79233
Step 232: 79233 + 343 = 79576
Step 233: 79576 + 343 = 79919
Step 234: 79919 + 343 = 80262
Step 235: 80262 + 343 = 80605
Step 236: 80605 + 343 = 80948
Step 237: 80948 + 343 = 81291
Step 238: 81291 + 343 = 81634
Step 239: 81634 + 343 = 81977
Step 240: 81977 + 343 = 82320
Step 241: 82320 + 343 = 82663
Step 242: 82663 + 343 = 83006
Step 243: 83006 + 343 = 83349
Step 244: 83349 + 343 = 83692
Step 245: 83692 + 343 = 84035
Step 246: 84035 + 343 = 84378
Step 247: 84378 + 343 = 84721
Step 248: 84721 + 343 = 85064
Step 249: 85064 + 343 = 85407
Step 250: 85407 + 343 = 85750
Step 251: 85750 + 343 = 86093
Step 252: 86093 + 343 = 86436
Step 253: 86436 + 343 = 86779
Step 254: 86779 + 343 = 87122
Step 255: 87122 + 343 = 87465
Step 256: 87465 + 343 = 87808
Step 257: 87808 + 343 = 88151
Step 258: 88151 + 343 = 88494
Step 259: 88494 + 343 = 88837
Step 260: 88837 + 343 = 89180
Step 261: 89180 + 343 = 89523
Step 262: 89523 + 343 = 89866
Step 263: 89866 + 343 = 90209
Step 264: 90209 + 343 = 90552
Step 265: 90552 + 343 = 90895
Step 266: 90895 + 343 = 91238
Step 267: 91238 + 343 = 91581
Step 268: 91581 + 343 = 91924
Step 269: 91924 + 343 = 92267
Step 270: 92267 + 343 = 92610
Step 271: 92610 + 343 = 92953
Step 272: 92953 + 343 = 93296
Step 273: 93296 + 343 = 93639
Step 274: 93639 + 343 = 93982
Step 275: 93982 + 343 = 94325
Step 276: 94325 + 343 = 94668
Step 277: 94668 + 343 = 95011
Step 278: 95011 + 343 = 95354
Step 279: 95354 + 343 = 95697
Step 280: 95697 + 343 = 96040
Step 281: 96040 + 343 = 96383
Step 282: 96383 + 343 = 96726
Step 283: 96726 + 343 = 97069
Step 284: 97069 + 343 = 97412
Step 285: 97412 + 343 = 97755
Step 286: 97755 + 343 = 98098
Step 287: 98098 + 343 = 98441
Step 288: 98441 + 343 = 98784
Step 289: 98784 + 343 = 99127
Step 290: 99127 + 343 = 99470
Step 291: 99470 + 343 = 99813
Step 292: 99813 + 343 = 100156
Step 293: 100156 + 343 = 100499
Step 294: 100499 + 343 = 100842
Step 295: 100842 + 343 = 101185
Step 296: 101185 + 343 = 101528
Step 297: 101528 + 343 = 101871
Step 298: 101871 + 343 = 102214
Step 299: 102214 + 343 = 102557
Step 300: 102557 + 343 = 102900
Step 301: 102900 + 343 = 103243
Step 302: 103243 + 343 = 103586
Step 303: 103586 + 343 = 103929
Step 304: 103929 + 343 = 104272
Step 305: 104272 + 343 = 104615
Step 306: 104615 + 343 = 104958
Step 307: 104958 + 343 = 105301
Step 308: 105301 + 343 = 105644
Step 309: 105644 + 343 = 105987
Step 310: 105987 + 343 = 106330
Step 311: 106330 + 343 = 106673
Step 312: 106673 + 343 = 107016
Step 313: 107016 + 343 = 107359
Step 314: 107359 + 343 = 107702
Step 315: 107702 + 343 = 108045
Step 316: 108045 + 343 = 108388
Step 317: 108388 + 343 = 108731
Step 318: 108731 + 343 = 109074
Step 319: 109074 + 343 = 109417
Step 320: 109417 + 343 = 109760
Step 321: 109760 + 343 = 110103
Step 322: 110103 + 343 = 110446
Step 323: 110446 + 343 = 110789
Step 324: 110789 + 343 = 111132
Step 325: 111132 + 343 = 111475
Step 326: 111475 + 343 = 111818
Step 327: 111818 + 343 = 112161
Step 328: 112161 + 343 = 112504
Step 329: 112504 + 343 = 112847
Step 330: 112847 + 343 = 113190
Step 331: 113190 + 343 = 113533
Step 332: 113533 + 343 = 113876
Step 333: 113876 + 343 = 114219
Step 334: 114219 + 343 = 114562
Step 335: 114562 + 343 = 114905
Step 336: 114905 + 343 = 115248
Step 337: 115248 + 343 = 115591
Step 338: 115591 + 343 = 115934
Step 339: 115934 + 343 = 116277
Step 340: 116277 + 343 = 116620
Step 341: 116620 + 343 = 116963
Step 342: 116963 + 343 = 117306
Step 343: 117306 + 343 = 117649
Step 344: 117649 + 343 = 117992
Step 345: 117992 + 343 = 118335
Step 346: 118335 + 343 = 118678
Step 347: 118678 + 343 = 119021
Step 348: 119021 + 343 = 119364
Step 349: 119364 + 343 = 119707
Step 350: 119707 + 343 = 120050
Step 351: 120050 + 343 = 120393
Step 352: 120393 + 343 = 120736
Step 353: 120736 + 343 = 121079
Step 354: 121079 + 343 = 121422
Step 355: 121422 + 343 = 121765
Step 356: 121765 + 343 = 122108
Step 357: 122108 + 343 = 122451
Step 358: 122451 + 343 = 122794
Step 359: 122794 + 343 = 123137
Step 360: 123137 + 343 = 123480
Step 361: 123480 + 343 = 123823
Step 362: 123823 + 343 = 124166
Step 363: 124166 + 343 = 124509
Step 364: 124509 + 343 = 124852
Step 365: 124852 + 343 = 125195
Step 366: 125195 + 343 = 125538
Step 367: 125538 + 343 = 125881
Step 368: 125881 + 343 = 126224
Step 369: 126224 + 343 = 126567
Step 370: 126567 + 343 = 126910
Step 371: 126910 + 343 = 127253
Step 372: 127253 + 343 = 127596
Step 373: 127596 + 343 = 127939
Step 374: 127939 + 343 = 128282
Step 375: 128282 + 343 = 128625
Step 376: 128625 + 343 = 128968
Step 377: 128968 + 343 = 129311
Step 378: 129311 + 343 = 129654
Step 379: 129654 + 343 = 129997
Step 380: 129997 + 343 = 130340
Step 381: 130340 + 343 = 130683
Step 382: 130683 + 343 = 131026
Step 383: 131026 + 343 = 131369
Step 384: 131369 + 343 = 131712
Step 385: 131712 + 343 = 132055
Step 386: 132055 + 343 = 132398
Step 387: 132398 + 343 = 132741
Step 388: 132741 + 343 = 133084
Step 389: 133084 + 343 = 133427
Step 390: 133427 + 343 = 133770
Step 391: 133770 + 343 = 134113
Step 392: 134113 + 343 = 134456
Step 393: 134456 + 343 = 134799
Step 394: 134799 + 343 = 135142
Step 395: 135142 + 343 = 135485
Step 396: 135485 + 343 = 135828
Step 397: 135828 + 343 = 136171
Step 398: 136171 + 343 = 136514
Step 399: 136514 + 343 = 136857
Step 400: 136857 + 343 = 137200
Step 401: 137200 + 343 = 137543
Step 402: 137543 + 343 = 137886
Step 403: 137886 + 343 = 138229
Step 404: 138229 + 343 = 138572
Step 405: 138572 + 343 = 138915
Step 406: 138915 + 343 = 139258
Step 407: 139258 + 343 = 139601
Step 408: 139601 + 343 = 139944
Step 409: 139944 + 343 = 140287
Step 410: 140287 + 343 = 140630
Step 411: 140630 + 343 = 140973
Step 412: 140973 + 343 = 141316
Step 413: 141316 + 343 = 141659
Step 414: 141659 + 343 = 142002
Step 415: 142002 + 343 = 142345
Step 416: 142345 + 343 = 142688
Step 417: 142688 + 343 = 143031
Step 418: 143031 + 343 = 143374
Step 419: 143374 + 343 = 143717
Step 420: 143717 + 343 = 144060
Step 421: 144060 + 343 = 144403
Step 422: 144403 + 343 = 144746
Step 423: 144746 + 343 = 145089
Step 424: 145089 + 343 = 145432
Step 425: 145432 + 343 = 145775
Step 426: 145775 + 343 = 146118
Step 427: 146118 + 343 = 146461
Step 428: 146461 + 343 = 146804
Step 429: 146804 + 343 = 147147
Step 430: 147147 + 343 = 147490
Step 431: 147490 + 343 = 147833
Step 432: 147833 + 343 = 148176
Step 433: 148176 + 343 = 148519
Step 434: 148519 + 343 = 148862
Step 435: 148862 + 343 = 149205
Step 436: 149205 + 343 = 149548
Step 437: 149548 + 343 = 149891
Step 438: 149891 + 343 = 150234
Step 439: 150234 + 343 = 150577
Step 440: 150577 + 343 = 150920
Step 441: 150920 + 343 = 151263
Step 442: 151263 + 343 = 151606
Step 443: 151606 + 343 = 151949
Step 444: 151949 + 343 = 152292
Step 445: 152292 + 343 = 152635
Step 446: 152635 + 343 = 152978
Step 447: 152978 + 343 = 153321
Step 448: 153321 + 343 = 153664
Step 449: 153664 + 343 = 154007

So, 343*449 = 154007