Alright, let's solve this math problem step by step. First, we have the number 353. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 448. So, we're going to take the number 353 and add it to itself 448 times.
Step 1: 0 + 353 = 353
Step 2: 353 + 353 = 706
Step 3: 706 + 353 = 1059
Step 4: 1059 + 353 = 1412
Step 5: 1412 + 353 = 1765
Step 6: 1765 + 353 = 2118
Step 7: 2118 + 353 = 2471
Step 8: 2471 + 353 = 2824
Step 9: 2824 + 353 = 3177
Step 10: 3177 + 353 = 3530
Step 11: 3530 + 353 = 3883
Step 12: 3883 + 353 = 4236
Step 13: 4236 + 353 = 4589
Step 14: 4589 + 353 = 4942
Step 15: 4942 + 353 = 5295
Step 16: 5295 + 353 = 5648
Step 17: 5648 + 353 = 6001
Step 18: 6001 + 353 = 6354
Step 19: 6354 + 353 = 6707
Step 20: 6707 + 353 = 7060
Step 21: 7060 + 353 = 7413
Step 22: 7413 + 353 = 7766
Step 23: 7766 + 353 = 8119
Step 24: 8119 + 353 = 8472
Step 25: 8472 + 353 = 8825
Step 26: 8825 + 353 = 9178
Step 27: 9178 + 353 = 9531
Step 28: 9531 + 353 = 9884
Step 29: 9884 + 353 = 10237
Step 30: 10237 + 353 = 10590
Step 31: 10590 + 353 = 10943
Step 32: 10943 + 353 = 11296
Step 33: 11296 + 353 = 11649
Step 34: 11649 + 353 = 12002
Step 35: 12002 + 353 = 12355
Step 36: 12355 + 353 = 12708
Step 37: 12708 + 353 = 13061
Step 38: 13061 + 353 = 13414
Step 39: 13414 + 353 = 13767
Step 40: 13767 + 353 = 14120
Step 41: 14120 + 353 = 14473
Step 42: 14473 + 353 = 14826
Step 43: 14826 + 353 = 15179
Step 44: 15179 + 353 = 15532
Step 45: 15532 + 353 = 15885
Step 46: 15885 + 353 = 16238
Step 47: 16238 + 353 = 16591
Step 48: 16591 + 353 = 16944
Step 49: 16944 + 353 = 17297
Step 50: 17297 + 353 = 17650
Step 51: 17650 + 353 = 18003
Step 52: 18003 + 353 = 18356
Step 53: 18356 + 353 = 18709
Step 54: 18709 + 353 = 19062
Step 55: 19062 + 353 = 19415
Step 56: 19415 + 353 = 19768
Step 57: 19768 + 353 = 20121
Step 58: 20121 + 353 = 20474
Step 59: 20474 + 353 = 20827
Step 60: 20827 + 353 = 21180
Step 61: 21180 + 353 = 21533
Step 62: 21533 + 353 = 21886
Step 63: 21886 + 353 = 22239
Step 64: 22239 + 353 = 22592
Step 65: 22592 + 353 = 22945
Step 66: 22945 + 353 = 23298
Step 67: 23298 + 353 = 23651
Step 68: 23651 + 353 = 24004
Step 69: 24004 + 353 = 24357
Step 70: 24357 + 353 = 24710
Step 71: 24710 + 353 = 25063
Step 72: 25063 + 353 = 25416
Step 73: 25416 + 353 = 25769
Step 74: 25769 + 353 = 26122
Step 75: 26122 + 353 = 26475
Step 76: 26475 + 353 = 26828
Step 77: 26828 + 353 = 27181
Step 78: 27181 + 353 = 27534
Step 79: 27534 + 353 = 27887
Step 80: 27887 + 353 = 28240
Step 81: 28240 + 353 = 28593
Step 82: 28593 + 353 = 28946
Step 83: 28946 + 353 = 29299
Step 84: 29299 + 353 = 29652
Step 85: 29652 + 353 = 30005
Step 86: 30005 + 353 = 30358
Step 87: 30358 + 353 = 30711
Step 88: 30711 + 353 = 31064
Step 89: 31064 + 353 = 31417
Step 90: 31417 + 353 = 31770
Step 91: 31770 + 353 = 32123
Step 92: 32123 + 353 = 32476
Step 93: 32476 + 353 = 32829
Step 94: 32829 + 353 = 33182
Step 95: 33182 + 353 = 33535
Step 96: 33535 + 353 = 33888
Step 97: 33888 + 353 = 34241
Step 98: 34241 + 353 = 34594
Step 99: 34594 + 353 = 34947
Step 100: 34947 + 353 = 35300
Step 101: 35300 + 353 = 35653
Step 102: 35653 + 353 = 36006
Step 103: 36006 + 353 = 36359
Step 104: 36359 + 353 = 36712
Step 105: 36712 + 353 = 37065
Step 106: 37065 + 353 = 37418
Step 107: 37418 + 353 = 37771
Step 108: 37771 + 353 = 38124
Step 109: 38124 + 353 = 38477
Step 110: 38477 + 353 = 38830
Step 111: 38830 + 353 = 39183
Step 112: 39183 + 353 = 39536
Step 113: 39536 + 353 = 39889
Step 114: 39889 + 353 = 40242
Step 115: 40242 + 353 = 40595
Step 116: 40595 + 353 = 40948
Step 117: 40948 + 353 = 41301
Step 118: 41301 + 353 = 41654
Step 119: 41654 + 353 = 42007
Step 120: 42007 + 353 = 42360
Step 121: 42360 + 353 = 42713
Step 122: 42713 + 353 = 43066
Step 123: 43066 + 353 = 43419
Step 124: 43419 + 353 = 43772
Step 125: 43772 + 353 = 44125
Step 126: 44125 + 353 = 44478
Step 127: 44478 + 353 = 44831
Step 128: 44831 + 353 = 45184
Step 129: 45184 + 353 = 45537
Step 130: 45537 + 353 = 45890
Step 131: 45890 + 353 = 46243
Step 132: 46243 + 353 = 46596
Step 133: 46596 + 353 = 46949
Step 134: 46949 + 353 = 47302
Step 135: 47302 + 353 = 47655
Step 136: 47655 + 353 = 48008
Step 137: 48008 + 353 = 48361
Step 138: 48361 + 353 = 48714
Step 139: 48714 + 353 = 49067
Step 140: 49067 + 353 = 49420
Step 141: 49420 + 353 = 49773
Step 142: 49773 + 353 = 50126
Step 143: 50126 + 353 = 50479
Step 144: 50479 + 353 = 50832
Step 145: 50832 + 353 = 51185
Step 146: 51185 + 353 = 51538
Step 147: 51538 + 353 = 51891
Step 148: 51891 + 353 = 52244
Step 149: 52244 + 353 = 52597
Step 150: 52597 + 353 = 52950
Step 151: 52950 + 353 = 53303
Step 152: 53303 + 353 = 53656
Step 153: 53656 + 353 = 54009
Step 154: 54009 + 353 = 54362
Step 155: 54362 + 353 = 54715
Step 156: 54715 + 353 = 55068
Step 157: 55068 + 353 = 55421
Step 158: 55421 + 353 = 55774
Step 159: 55774 + 353 = 56127
Step 160: 56127 + 353 = 56480
Step 161: 56480 + 353 = 56833
Step 162: 56833 + 353 = 57186
Step 163: 57186 + 353 = 57539
Step 164: 57539 + 353 = 57892
Step 165: 57892 + 353 = 58245
Step 166: 58245 + 353 = 58598
Step 167: 58598 + 353 = 58951
Step 168: 58951 + 353 = 59304
Step 169: 59304 + 353 = 59657
Step 170: 59657 + 353 = 60010
Step 171: 60010 + 353 = 60363
Step 172: 60363 + 353 = 60716
Step 173: 60716 + 353 = 61069
Step 174: 61069 + 353 = 61422
Step 175: 61422 + 353 = 61775
Step 176: 61775 + 353 = 62128
Step 177: 62128 + 353 = 62481
Step 178: 62481 + 353 = 62834
Step 179: 62834 + 353 = 63187
Step 180: 63187 + 353 = 63540
Step 181: 63540 + 353 = 63893
Step 182: 63893 + 353 = 64246
Step 183: 64246 + 353 = 64599
Step 184: 64599 + 353 = 64952
Step 185: 64952 + 353 = 65305
Step 186: 65305 + 353 = 65658
Step 187: 65658 + 353 = 66011
Step 188: 66011 + 353 = 66364
Step 189: 66364 + 353 = 66717
Step 190: 66717 + 353 = 67070
Step 191: 67070 + 353 = 67423
Step 192: 67423 + 353 = 67776
Step 193: 67776 + 353 = 68129
Step 194: 68129 + 353 = 68482
Step 195: 68482 + 353 = 68835
Step 196: 68835 + 353 = 69188
Step 197: 69188 + 353 = 69541
Step 198: 69541 + 353 = 69894
Step 199: 69894 + 353 = 70247
Step 200: 70247 + 353 = 70600
Step 201: 70600 + 353 = 70953
Step 202: 70953 + 353 = 71306
Step 203: 71306 + 353 = 71659
Step 204: 71659 + 353 = 72012
Step 205: 72012 + 353 = 72365
Step 206: 72365 + 353 = 72718
Step 207: 72718 + 353 = 73071
Step 208: 73071 + 353 = 73424
Step 209: 73424 + 353 = 73777
Step 210: 73777 + 353 = 74130
Step 211: 74130 + 353 = 74483
Step 212: 74483 + 353 = 74836
Step 213: 74836 + 353 = 75189
Step 214: 75189 + 353 = 75542
Step 215: 75542 + 353 = 75895
Step 216: 75895 + 353 = 76248
Step 217: 76248 + 353 = 76601
Step 218: 76601 + 353 = 76954
Step 219: 76954 + 353 = 77307
Step 220: 77307 + 353 = 77660
Step 221: 77660 + 353 = 78013
Step 222: 78013 + 353 = 78366
Step 223: 78366 + 353 = 78719
Step 224: 78719 + 353 = 79072
Step 225: 79072 + 353 = 79425
Step 226: 79425 + 353 = 79778
Step 227: 79778 + 353 = 80131
Step 228: 80131 + 353 = 80484
Step 229: 80484 + 353 = 80837
Step 230: 80837 + 353 = 81190
Step 231: 81190 + 353 = 81543
Step 232: 81543 + 353 = 81896
Step 233: 81896 + 353 = 82249
Step 234: 82249 + 353 = 82602
Step 235: 82602 + 353 = 82955
Step 236: 82955 + 353 = 83308
Step 237: 83308 + 353 = 83661
Step 238: 83661 + 353 = 84014
Step 239: 84014 + 353 = 84367
Step 240: 84367 + 353 = 84720
Step 241: 84720 + 353 = 85073
Step 242: 85073 + 353 = 85426
Step 243: 85426 + 353 = 85779
Step 244: 85779 + 353 = 86132
Step 245: 86132 + 353 = 86485
Step 246: 86485 + 353 = 86838
Step 247: 86838 + 353 = 87191
Step 248: 87191 + 353 = 87544
Step 249: 87544 + 353 = 87897
Step 250: 87897 + 353 = 88250
Step 251: 88250 + 353 = 88603
Step 252: 88603 + 353 = 88956
Step 253: 88956 + 353 = 89309
Step 254: 89309 + 353 = 89662
Step 255: 89662 + 353 = 90015
Step 256: 90015 + 353 = 90368
Step 257: 90368 + 353 = 90721
Step 258: 90721 + 353 = 91074
Step 259: 91074 + 353 = 91427
Step 260: 91427 + 353 = 91780
Step 261: 91780 + 353 = 92133
Step 262: 92133 + 353 = 92486
Step 263: 92486 + 353 = 92839
Step 264: 92839 + 353 = 93192
Step 265: 93192 + 353 = 93545
Step 266: 93545 + 353 = 93898
Step 267: 93898 + 353 = 94251
Step 268: 94251 + 353 = 94604
Step 269: 94604 + 353 = 94957
Step 270: 94957 + 353 = 95310
Step 271: 95310 + 353 = 95663
Step 272: 95663 + 353 = 96016
Step 273: 96016 + 353 = 96369
Step 274: 96369 + 353 = 96722
Step 275: 96722 + 353 = 97075
Step 276: 97075 + 353 = 97428
Step 277: 97428 + 353 = 97781
Step 278: 97781 + 353 = 98134
Step 279: 98134 + 353 = 98487
Step 280: 98487 + 353 = 98840
Step 281: 98840 + 353 = 99193
Step 282: 99193 + 353 = 99546
Step 283: 99546 + 353 = 99899
Step 284: 99899 + 353 = 100252
Step 285: 100252 + 353 = 100605
Step 286: 100605 + 353 = 100958
Step 287: 100958 + 353 = 101311
Step 288: 101311 + 353 = 101664
Step 289: 101664 + 353 = 102017
Step 290: 102017 + 353 = 102370
Step 291: 102370 + 353 = 102723
Step 292: 102723 + 353 = 103076
Step 293: 103076 + 353 = 103429
Step 294: 103429 + 353 = 103782
Step 295: 103782 + 353 = 104135
Step 296: 104135 + 353 = 104488
Step 297: 104488 + 353 = 104841
Step 298: 104841 + 353 = 105194
Step 299: 105194 + 353 = 105547
Step 300: 105547 + 353 = 105900
Step 301: 105900 + 353 = 106253
Step 302: 106253 + 353 = 106606
Step 303: 106606 + 353 = 106959
Step 304: 106959 + 353 = 107312
Step 305: 107312 + 353 = 107665
Step 306: 107665 + 353 = 108018
Step 307: 108018 + 353 = 108371
Step 308: 108371 + 353 = 108724
Step 309: 108724 + 353 = 109077
Step 310: 109077 + 353 = 109430
Step 311: 109430 + 353 = 109783
Step 312: 109783 + 353 = 110136
Step 313: 110136 + 353 = 110489
Step 314: 110489 + 353 = 110842
Step 315: 110842 + 353 = 111195
Step 316: 111195 + 353 = 111548
Step 317: 111548 + 353 = 111901
Step 318: 111901 + 353 = 112254
Step 319: 112254 + 353 = 112607
Step 320: 112607 + 353 = 112960
Step 321: 112960 + 353 = 113313
Step 322: 113313 + 353 = 113666
Step 323: 113666 + 353 = 114019
Step 324: 114019 + 353 = 114372
Step 325: 114372 + 353 = 114725
Step 326: 114725 + 353 = 115078
Step 327: 115078 + 353 = 115431
Step 328: 115431 + 353 = 115784
Step 329: 115784 + 353 = 116137
Step 330: 116137 + 353 = 116490
Step 331: 116490 + 353 = 116843
Step 332: 116843 + 353 = 117196
Step 333: 117196 + 353 = 117549
Step 334: 117549 + 353 = 117902
Step 335: 117902 + 353 = 118255
Step 336: 118255 + 353 = 118608
Step 337: 118608 + 353 = 118961
Step 338: 118961 + 353 = 119314
Step 339: 119314 + 353 = 119667
Step 340: 119667 + 353 = 120020
Step 341: 120020 + 353 = 120373
Step 342: 120373 + 353 = 120726
Step 343: 120726 + 353 = 121079
Step 344: 121079 + 353 = 121432
Step 345: 121432 + 353 = 121785
Step 346: 121785 + 353 = 122138
Step 347: 122138 + 353 = 122491
Step 348: 122491 + 353 = 122844
Step 349: 122844 + 353 = 123197
Step 350: 123197 + 353 = 123550
Step 351: 123550 + 353 = 123903
Step 352: 123903 + 353 = 124256
Step 353: 124256 + 353 = 124609
Step 354: 124609 + 353 = 124962
Step 355: 124962 + 353 = 125315
Step 356: 125315 + 353 = 125668
Step 357: 125668 + 353 = 126021
Step 358: 126021 + 353 = 126374
Step 359: 126374 + 353 = 126727
Step 360: 126727 + 353 = 127080
Step 361: 127080 + 353 = 127433
Step 362: 127433 + 353 = 127786
Step 363: 127786 + 353 = 128139
Step 364: 128139 + 353 = 128492
Step 365: 128492 + 353 = 128845
Step 366: 128845 + 353 = 129198
Step 367: 129198 + 353 = 129551
Step 368: 129551 + 353 = 129904
Step 369: 129904 + 353 = 130257
Step 370: 130257 + 353 = 130610
Step 371: 130610 + 353 = 130963
Step 372: 130963 + 353 = 131316
Step 373: 131316 + 353 = 131669
Step 374: 131669 + 353 = 132022
Step 375: 132022 + 353 = 132375
Step 376: 132375 + 353 = 132728
Step 377: 132728 + 353 = 133081
Step 378: 133081 + 353 = 133434
Step 379: 133434 + 353 = 133787
Step 380: 133787 + 353 = 134140
Step 381: 134140 + 353 = 134493
Step 382: 134493 + 353 = 134846
Step 383: 134846 + 353 = 135199
Step 384: 135199 + 353 = 135552
Step 385: 135552 + 353 = 135905
Step 386: 135905 + 353 = 136258
Step 387: 136258 + 353 = 136611
Step 388: 136611 + 353 = 136964
Step 389: 136964 + 353 = 137317
Step 390: 137317 + 353 = 137670
Step 391: 137670 + 353 = 138023
Step 392: 138023 + 353 = 138376
Step 393: 138376 + 353 = 138729
Step 394: 138729 + 353 = 139082
Step 395: 139082 + 353 = 139435
Step 396: 139435 + 353 = 139788
Step 397: 139788 + 353 = 140141
Step 398: 140141 + 353 = 140494
Step 399: 140494 + 353 = 140847
Step 400: 140847 + 353 = 141200
Step 401: 141200 + 353 = 141553
Step 402: 141553 + 353 = 141906
Step 403: 141906 + 353 = 142259
Step 404: 142259 + 353 = 142612
Step 405: 142612 + 353 = 142965
Step 406: 142965 + 353 = 143318
Step 407: 143318 + 353 = 143671
Step 408: 143671 + 353 = 144024
Step 409: 144024 + 353 = 144377
Step 410: 144377 + 353 = 144730
Step 411: 144730 + 353 = 145083
Step 412: 145083 + 353 = 145436
Step 413: 145436 + 353 = 145789
Step 414: 145789 + 353 = 146142
Step 415: 146142 + 353 = 146495
Step 416: 146495 + 353 = 146848
Step 417: 146848 + 353 = 147201
Step 418: 147201 + 353 = 147554
Step 419: 147554 + 353 = 147907
Step 420: 147907 + 353 = 148260
Step 421: 148260 + 353 = 148613
Step 422: 148613 + 353 = 148966
Step 423: 148966 + 353 = 149319
Step 424: 149319 + 353 = 149672
Step 425: 149672 + 353 = 150025
Step 426: 150025 + 353 = 150378
Step 427: 150378 + 353 = 150731
Step 428: 150731 + 353 = 151084
Step 429: 151084 + 353 = 151437
Step 430: 151437 + 353 = 151790
Step 431: 151790 + 353 = 152143
Step 432: 152143 + 353 = 152496
Step 433: 152496 + 353 = 152849
Step 434: 152849 + 353 = 153202
Step 435: 153202 + 353 = 153555
Step 436: 153555 + 353 = 153908
Step 437: 153908 + 353 = 154261
Step 438: 154261 + 353 = 154614
Step 439: 154614 + 353 = 154967
Step 440: 154967 + 353 = 155320
Step 441: 155320 + 353 = 155673
Step 442: 155673 + 353 = 156026
Step 443: 156026 + 353 = 156379
Step 444: 156379 + 353 = 156732
Step 445: 156732 + 353 = 157085
Step 446: 157085 + 353 = 157438
Step 447: 157438 + 353 = 157791
Step 448: 157791 + 353 = 158144

So, 353*448 = 158144