OK, let's crack this. We're given 338 and our task is to multiply it by 404. Essentially, we'll be adding 338 to itself 404 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

So, 338*404 = 136552