Alright, let's solve this math problem step by step. First, we have the number 338. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 425. So, we're going to take the number 338 and add it to itself 425 times.
Step 1: 0 + 338 = 338
Step 2: 338 + 338 = 676
Step 3: 676 + 338 = 1014
Step 4: 1014 + 338 = 1352
Step 5: 1352 + 338 = 1690
Step 6: 1690 + 338 = 2028
Step 7: 2028 + 338 = 2366
Step 8: 2366 + 338 = 2704
Step 9: 2704 + 338 = 3042
Step 10: 3042 + 338 = 3380
Step 11: 3380 + 338 = 3718
Step 12: 3718 + 338 = 4056
Step 13: 4056 + 338 = 4394
Step 14: 4394 + 338 = 4732
Step 15: 4732 + 338 = 5070
Step 16: 5070 + 338 = 5408
Step 17: 5408 + 338 = 5746
Step 18: 5746 + 338 = 6084
Step 19: 6084 + 338 = 6422
Step 20: 6422 + 338 = 6760
Step 21: 6760 + 338 = 7098
Step 22: 7098 + 338 = 7436
Step 23: 7436 + 338 = 7774
Step 24: 7774 + 338 = 8112
Step 25: 8112 + 338 = 8450
Step 26: 8450 + 338 = 8788
Step 27: 8788 + 338 = 9126
Step 28: 9126 + 338 = 9464
Step 29: 9464 + 338 = 9802
Step 30: 9802 + 338 = 10140
Step 31: 10140 + 338 = 10478
Step 32: 10478 + 338 = 10816
Step 33: 10816 + 338 = 11154
Step 34: 11154 + 338 = 11492
Step 35: 11492 + 338 = 11830
Step 36: 11830 + 338 = 12168
Step 37: 12168 + 338 = 12506
Step 38: 12506 + 338 = 12844
Step 39: 12844 + 338 = 13182
Step 40: 13182 + 338 = 13520
Step 41: 13520 + 338 = 13858
Step 42: 13858 + 338 = 14196
Step 43: 14196 + 338 = 14534
Step 44: 14534 + 338 = 14872
Step 45: 14872 + 338 = 15210
Step 46: 15210 + 338 = 15548
Step 47: 15548 + 338 = 15886
Step 48: 15886 + 338 = 16224
Step 49: 16224 + 338 = 16562
Step 50: 16562 + 338 = 16900
Step 51: 16900 + 338 = 17238
Step 52: 17238 + 338 = 17576
Step 53: 17576 + 338 = 17914
Step 54: 17914 + 338 = 18252
Step 55: 18252 + 338 = 18590
Step 56: 18590 + 338 = 18928
Step 57: 18928 + 338 = 19266
Step 58: 19266 + 338 = 19604
Step 59: 19604 + 338 = 19942
Step 60: 19942 + 338 = 20280
Step 61: 20280 + 338 = 20618
Step 62: 20618 + 338 = 20956
Step 63: 20956 + 338 = 21294
Step 64: 21294 + 338 = 21632
Step 65: 21632 + 338 = 21970
Step 66: 21970 + 338 = 22308
Step 67: 22308 + 338 = 22646
Step 68: 22646 + 338 = 22984
Step 69: 22984 + 338 = 23322
Step 70: 23322 + 338 = 23660
Step 71: 23660 + 338 = 23998
Step 72: 23998 + 338 = 24336
Step 73: 24336 + 338 = 24674
Step 74: 24674 + 338 = 25012
Step 75: 25012 + 338 = 25350
Step 76: 25350 + 338 = 25688
Step 77: 25688 + 338 = 26026
Step 78: 26026 + 338 = 26364
Step 79: 26364 + 338 = 26702
Step 80: 26702 + 338 = 27040
Step 81: 27040 + 338 = 27378
Step 82: 27378 + 338 = 27716
Step 83: 27716 + 338 = 28054
Step 84: 28054 + 338 = 28392
Step 85: 28392 + 338 = 28730
Step 86: 28730 + 338 = 29068
Step 87: 29068 + 338 = 29406
Step 88: 29406 + 338 = 29744
Step 89: 29744 + 338 = 30082
Step 90: 30082 + 338 = 30420
Step 91: 30420 + 338 = 30758
Step 92: 30758 + 338 = 31096
Step 93: 31096 + 338 = 31434
Step 94: 31434 + 338 = 31772
Step 95: 31772 + 338 = 32110
Step 96: 32110 + 338 = 32448
Step 97: 32448 + 338 = 32786
Step 98: 32786 + 338 = 33124
Step 99: 33124 + 338 = 33462
Step 100: 33462 + 338 = 33800
Step 101: 33800 + 338 = 34138
Step 102: 34138 + 338 = 34476
Step 103: 34476 + 338 = 34814
Step 104: 34814 + 338 = 35152
Step 105: 35152 + 338 = 35490
Step 106: 35490 + 338 = 35828
Step 107: 35828 + 338 = 36166
Step 108: 36166 + 338 = 36504
Step 109: 36504 + 338 = 36842
Step 110: 36842 + 338 = 37180
Step 111: 37180 + 338 = 37518
Step 112: 37518 + 338 = 37856
Step 113: 37856 + 338 = 38194
Step 114: 38194 + 338 = 38532
Step 115: 38532 + 338 = 38870
Step 116: 38870 + 338 = 39208
Step 117: 39208 + 338 = 39546
Step 118: 39546 + 338 = 39884
Step 119: 39884 + 338 = 40222
Step 120: 40222 + 338 = 40560
Step 121: 40560 + 338 = 40898
Step 122: 40898 + 338 = 41236
Step 123: 41236 + 338 = 41574
Step 124: 41574 + 338 = 41912
Step 125: 41912 + 338 = 42250
Step 126: 42250 + 338 = 42588
Step 127: 42588 + 338 = 42926
Step 128: 42926 + 338 = 43264
Step 129: 43264 + 338 = 43602
Step 130: 43602 + 338 = 43940
Step 131: 43940 + 338 = 44278
Step 132: 44278 + 338 = 44616
Step 133: 44616 + 338 = 44954
Step 134: 44954 + 338 = 45292
Step 135: 45292 + 338 = 45630
Step 136: 45630 + 338 = 45968
Step 137: 45968 + 338 = 46306
Step 138: 46306 + 338 = 46644
Step 139: 46644 + 338 = 46982
Step 140: 46982 + 338 = 47320
Step 141: 47320 + 338 = 47658
Step 142: 47658 + 338 = 47996
Step 143: 47996 + 338 = 48334
Step 144: 48334 + 338 = 48672
Step 145: 48672 + 338 = 49010
Step 146: 49010 + 338 = 49348
Step 147: 49348 + 338 = 49686
Step 148: 49686 + 338 = 50024
Step 149: 50024 + 338 = 50362
Step 150: 50362 + 338 = 50700
Step 151: 50700 + 338 = 51038
Step 152: 51038 + 338 = 51376
Step 153: 51376 + 338 = 51714
Step 154: 51714 + 338 = 52052
Step 155: 52052 + 338 = 52390
Step 156: 52390 + 338 = 52728
Step 157: 52728 + 338 = 53066
Step 158: 53066 + 338 = 53404
Step 159: 53404 + 338 = 53742
Step 160: 53742 + 338 = 54080
Step 161: 54080 + 338 = 54418
Step 162: 54418 + 338 = 54756
Step 163: 54756 + 338 = 55094
Step 164: 55094 + 338 = 55432
Step 165: 55432 + 338 = 55770
Step 166: 55770 + 338 = 56108
Step 167: 56108 + 338 = 56446
Step 168: 56446 + 338 = 56784
Step 169: 56784 + 338 = 57122
Step 170: 57122 + 338 = 57460
Step 171: 57460 + 338 = 57798
Step 172: 57798 + 338 = 58136
Step 173: 58136 + 338 = 58474
Step 174: 58474 + 338 = 58812
Step 175: 58812 + 338 = 59150
Step 176: 59150 + 338 = 59488
Step 177: 59488 + 338 = 59826
Step 178: 59826 + 338 = 60164
Step 179: 60164 + 338 = 60502
Step 180: 60502 + 338 = 60840
Step 181: 60840 + 338 = 61178
Step 182: 61178 + 338 = 61516
Step 183: 61516 + 338 = 61854
Step 184: 61854 + 338 = 62192
Step 185: 62192 + 338 = 62530
Step 186: 62530 + 338 = 62868
Step 187: 62868 + 338 = 63206
Step 188: 63206 + 338 = 63544
Step 189: 63544 + 338 = 63882
Step 190: 63882 + 338 = 64220
Step 191: 64220 + 338 = 64558
Step 192: 64558 + 338 = 64896
Step 193: 64896 + 338 = 65234
Step 194: 65234 + 338 = 65572
Step 195: 65572 + 338 = 65910
Step 196: 65910 + 338 = 66248
Step 197: 66248 + 338 = 66586
Step 198: 66586 + 338 = 66924
Step 199: 66924 + 338 = 67262
Step 200: 67262 + 338 = 67600
Step 201: 67600 + 338 = 67938
Step 202: 67938 + 338 = 68276
Step 203: 68276 + 338 = 68614
Step 204: 68614 + 338 = 68952
Step 205: 68952 + 338 = 69290
Step 206: 69290 + 338 = 69628
Step 207: 69628 + 338 = 69966
Step 208: 69966 + 338 = 70304
Step 209: 70304 + 338 = 70642
Step 210: 70642 + 338 = 70980
Step 211: 70980 + 338 = 71318
Step 212: 71318 + 338 = 71656
Step 213: 71656 + 338 = 71994
Step 214: 71994 + 338 = 72332
Step 215: 72332 + 338 = 72670
Step 216: 72670 + 338 = 73008
Step 217: 73008 + 338 = 73346
Step 218: 73346 + 338 = 73684
Step 219: 73684 + 338 = 74022
Step 220: 74022 + 338 = 74360
Step 221: 74360 + 338 = 74698
Step 222: 74698 + 338 = 75036
Step 223: 75036 + 338 = 75374
Step 224: 75374 + 338 = 75712
Step 225: 75712 + 338 = 76050
Step 226: 76050 + 338 = 76388
Step 227: 76388 + 338 = 76726
Step 228: 76726 + 338 = 77064
Step 229: 77064 + 338 = 77402
Step 230: 77402 + 338 = 77740
Step 231: 77740 + 338 = 78078
Step 232: 78078 + 338 = 78416
Step 233: 78416 + 338 = 78754
Step 234: 78754 + 338 = 79092
Step 235: 79092 + 338 = 79430
Step 236: 79430 + 338 = 79768
Step 237: 79768 + 338 = 80106
Step 238: 80106 + 338 = 80444
Step 239: 80444 + 338 = 80782
Step 240: 80782 + 338 = 81120
Step 241: 81120 + 338 = 81458
Step 242: 81458 + 338 = 81796
Step 243: 81796 + 338 = 82134
Step 244: 82134 + 338 = 82472
Step 245: 82472 + 338 = 82810
Step 246: 82810 + 338 = 83148
Step 247: 83148 + 338 = 83486
Step 248: 83486 + 338 = 83824
Step 249: 83824 + 338 = 84162
Step 250: 84162 + 338 = 84500
Step 251: 84500 + 338 = 84838
Step 252: 84838 + 338 = 85176
Step 253: 85176 + 338 = 85514
Step 254: 85514 + 338 = 85852
Step 255: 85852 + 338 = 86190
Step 256: 86190 + 338 = 86528
Step 257: 86528 + 338 = 86866
Step 258: 86866 + 338 = 87204
Step 259: 87204 + 338 = 87542
Step 260: 87542 + 338 = 87880
Step 261: 87880 + 338 = 88218
Step 262: 88218 + 338 = 88556
Step 263: 88556 + 338 = 88894
Step 264: 88894 + 338 = 89232
Step 265: 89232 + 338 = 89570
Step 266: 89570 + 338 = 89908
Step 267: 89908 + 338 = 90246
Step 268: 90246 + 338 = 90584
Step 269: 90584 + 338 = 90922
Step 270: 90922 + 338 = 91260
Step 271: 91260 + 338 = 91598
Step 272: 91598 + 338 = 91936
Step 273: 91936 + 338 = 92274
Step 274: 92274 + 338 = 92612
Step 275: 92612 + 338 = 92950
Step 276: 92950 + 338 = 93288
Step 277: 93288 + 338 = 93626
Step 278: 93626 + 338 = 93964
Step 279: 93964 + 338 = 94302
Step 280: 94302 + 338 = 94640
Step 281: 94640 + 338 = 94978
Step 282: 94978 + 338 = 95316
Step 283: 95316 + 338 = 95654
Step 284: 95654 + 338 = 95992
Step 285: 95992 + 338 = 96330
Step 286: 96330 + 338 = 96668
Step 287: 96668 + 338 = 97006
Step 288: 97006 + 338 = 97344
Step 289: 97344 + 338 = 97682
Step 290: 97682 + 338 = 98020
Step 291: 98020 + 338 = 98358
Step 292: 98358 + 338 = 98696
Step 293: 98696 + 338 = 99034
Step 294: 99034 + 338 = 99372
Step 295: 99372 + 338 = 99710
Step 296: 99710 + 338 = 100048
Step 297: 100048 + 338 = 100386
Step 298: 100386 + 338 = 100724
Step 299: 100724 + 338 = 101062
Step 300: 101062 + 338 = 101400
Step 301: 101400 + 338 = 101738
Step 302: 101738 + 338 = 102076
Step 303: 102076 + 338 = 102414
Step 304: 102414 + 338 = 102752
Step 305: 102752 + 338 = 103090
Step 306: 103090 + 338 = 103428
Step 307: 103428 + 338 = 103766
Step 308: 103766 + 338 = 104104
Step 309: 104104 + 338 = 104442
Step 310: 104442 + 338 = 104780
Step 311: 104780 + 338 = 105118
Step 312: 105118 + 338 = 105456
Step 313: 105456 + 338 = 105794
Step 314: 105794 + 338 = 106132
Step 315: 106132 + 338 = 106470
Step 316: 106470 + 338 = 106808
Step 317: 106808 + 338 = 107146
Step 318: 107146 + 338 = 107484
Step 319: 107484 + 338 = 107822
Step 320: 107822 + 338 = 108160
Step 321: 108160 + 338 = 108498
Step 322: 108498 + 338 = 108836
Step 323: 108836 + 338 = 109174
Step 324: 109174 + 338 = 109512
Step 325: 109512 + 338 = 109850
Step 326: 109850 + 338 = 110188
Step 327: 110188 + 338 = 110526
Step 328: 110526 + 338 = 110864
Step 329: 110864 + 338 = 111202
Step 330: 111202 + 338 = 111540
Step 331: 111540 + 338 = 111878
Step 332: 111878 + 338 = 112216
Step 333: 112216 + 338 = 112554
Step 334: 112554 + 338 = 112892
Step 335: 112892 + 338 = 113230
Step 336: 113230 + 338 = 113568
Step 337: 113568 + 338 = 113906
Step 338: 113906 + 338 = 114244
Step 339: 114244 + 338 = 114582
Step 340: 114582 + 338 = 114920
Step 341: 114920 + 338 = 115258
Step 342: 115258 + 338 = 115596
Step 343: 115596 + 338 = 115934
Step 344: 115934 + 338 = 116272
Step 345: 116272 + 338 = 116610
Step 346: 116610 + 338 = 116948
Step 347: 116948 + 338 = 117286
Step 348: 117286 + 338 = 117624
Step 349: 117624 + 338 = 117962
Step 350: 117962 + 338 = 118300
Step 351: 118300 + 338 = 118638
Step 352: 118638 + 338 = 118976
Step 353: 118976 + 338 = 119314
Step 354: 119314 + 338 = 119652
Step 355: 119652 + 338 = 119990
Step 356: 119990 + 338 = 120328
Step 357: 120328 + 338 = 120666
Step 358: 120666 + 338 = 121004
Step 359: 121004 + 338 = 121342
Step 360: 121342 + 338 = 121680
Step 361: 121680 + 338 = 122018
Step 362: 122018 + 338 = 122356
Step 363: 122356 + 338 = 122694
Step 364: 122694 + 338 = 123032
Step 365: 123032 + 338 = 123370
Step 366: 123370 + 338 = 123708
Step 367: 123708 + 338 = 124046
Step 368: 124046 + 338 = 124384
Step 369: 124384 + 338 = 124722
Step 370: 124722 + 338 = 125060
Step 371: 125060 + 338 = 125398
Step 372: 125398 + 338 = 125736
Step 373: 125736 + 338 = 126074
Step 374: 126074 + 338 = 126412
Step 375: 126412 + 338 = 126750
Step 376: 126750 + 338 = 127088
Step 377: 127088 + 338 = 127426
Step 378: 127426 + 338 = 127764
Step 379: 127764 + 338 = 128102
Step 380: 128102 + 338 = 128440
Step 381: 128440 + 338 = 128778
Step 382: 128778 + 338 = 129116
Step 383: 129116 + 338 = 129454
Step 384: 129454 + 338 = 129792
Step 385: 129792 + 338 = 130130
Step 386: 130130 + 338 = 130468
Step 387: 130468 + 338 = 130806
Step 388: 130806 + 338 = 131144
Step 389: 131144 + 338 = 131482
Step 390: 131482 + 338 = 131820
Step 391: 131820 + 338 = 132158
Step 392: 132158 + 338 = 132496
Step 393: 132496 + 338 = 132834
Step 394: 132834 + 338 = 133172
Step 395: 133172 + 338 = 133510
Step 396: 133510 + 338 = 133848
Step 397: 133848 + 338 = 134186
Step 398: 134186 + 338 = 134524
Step 399: 134524 + 338 = 134862
Step 400: 134862 + 338 = 135200
Step 401: 135200 + 338 = 135538
Step 402: 135538 + 338 = 135876
Step 403: 135876 + 338 = 136214
Step 404: 136214 + 338 = 136552
Step 405: 136552 + 338 = 136890
Step 406: 136890 + 338 = 137228
Step 407: 137228 + 338 = 137566
Step 408: 137566 + 338 = 137904
Step 409: 137904 + 338 = 138242
Step 410: 138242 + 338 = 138580
Step 411: 138580 + 338 = 138918
Step 412: 138918 + 338 = 139256
Step 413: 139256 + 338 = 139594
Step 414: 139594 + 338 = 139932
Step 415: 139932 + 338 = 140270
Step 416: 140270 + 338 = 140608
Step 417: 140608 + 338 = 140946
Step 418: 140946 + 338 = 141284
Step 419: 141284 + 338 = 141622
Step 420: 141622 + 338 = 141960
Step 421: 141960 + 338 = 142298
Step 422: 142298 + 338 = 142636
Step 423: 142636 + 338 = 142974
Step 424: 142974 + 338 = 143312
Step 425: 143312 + 338 = 143650

So, 338*425 = 143650