OK, let's work through this together. We're starting with 818 and we're going to multiply it by 424, which means we add 818 to itself 424 times.
Step 1: 0 + 818 = 818
Step 2: 818 + 818 = 1636
Step 3: 1636 + 818 = 2454
Step 4: 2454 + 818 = 3272
Step 5: 3272 + 818 = 4090
Step 6: 4090 + 818 = 4908
Step 7: 4908 + 818 = 5726
Step 8: 5726 + 818 = 6544
Step 9: 6544 + 818 = 7362
Step 10: 7362 + 818 = 8180
Step 11: 8180 + 818 = 8998
Step 12: 8998 + 818 = 9816
Step 13: 9816 + 818 = 10634
Step 14: 10634 + 818 = 11452
Step 15: 11452 + 818 = 12270
Step 16: 12270 + 818 = 13088
Step 17: 13088 + 818 = 13906
Step 18: 13906 + 818 = 14724
Step 19: 14724 + 818 = 15542
Step 20: 15542 + 818 = 16360
Step 21: 16360 + 818 = 17178
Step 22: 17178 + 818 = 17996
Step 23: 17996 + 818 = 18814
Step 24: 18814 + 818 = 19632
Step 25: 19632 + 818 = 20450
Step 26: 20450 + 818 = 21268
Step 27: 21268 + 818 = 22086
Step 28: 22086 + 818 = 22904
Step 29: 22904 + 818 = 23722
Step 30: 23722 + 818 = 24540
Step 31: 24540 + 818 = 25358
Step 32: 25358 + 818 = 26176
Step 33: 26176 + 818 = 26994
Step 34: 26994 + 818 = 27812
Step 35: 27812 + 818 = 28630
Step 36: 28630 + 818 = 29448
Step 37: 29448 + 818 = 30266
Step 38: 30266 + 818 = 31084
Step 39: 31084 + 818 = 31902
Step 40: 31902 + 818 = 32720
Step 41: 32720 + 818 = 33538
Step 42: 33538 + 818 = 34356
Step 43: 34356 + 818 = 35174
Step 44: 35174 + 818 = 35992
Step 45: 35992 + 818 = 36810
Step 46: 36810 + 818 = 37628
Step 47: 37628 + 818 = 38446
Step 48: 38446 + 818 = 39264
Step 49: 39264 + 818 = 40082
Step 50: 40082 + 818 = 40900
Step 51: 40900 + 818 = 41718
Step 52: 41718 + 818 = 42536
Step 53: 42536 + 818 = 43354
Step 54: 43354 + 818 = 44172
Step 55: 44172 + 818 = 44990
Step 56: 44990 + 818 = 45808
Step 57: 45808 + 818 = 46626
Step 58: 46626 + 818 = 47444
Step 59: 47444 + 818 = 48262
Step 60: 48262 + 818 = 49080
Step 61: 49080 + 818 = 49898
Step 62: 49898 + 818 = 50716
Step 63: 50716 + 818 = 51534
Step 64: 51534 + 818 = 52352
Step 65: 52352 + 818 = 53170
Step 66: 53170 + 818 = 53988
Step 67: 53988 + 818 = 54806
Step 68: 54806 + 818 = 55624
Step 69: 55624 + 818 = 56442
Step 70: 56442 + 818 = 57260
Step 71: 57260 + 818 = 58078
Step 72: 58078 + 818 = 58896
Step 73: 58896 + 818 = 59714
Step 74: 59714 + 818 = 60532
Step 75: 60532 + 818 = 61350
Step 76: 61350 + 818 = 62168
Step 77: 62168 + 818 = 62986
Step 78: 62986 + 818 = 63804
Step 79: 63804 + 818 = 64622
Step 80: 64622 + 818 = 65440
Step 81: 65440 + 818 = 66258
Step 82: 66258 + 818 = 67076
Step 83: 67076 + 818 = 67894
Step 84: 67894 + 818 = 68712
Step 85: 68712 + 818 = 69530
Step 86: 69530 + 818 = 70348
Step 87: 70348 + 818 = 71166
Step 88: 71166 + 818 = 71984
Step 89: 71984 + 818 = 72802
Step 90: 72802 + 818 = 73620
Step 91: 73620 + 818 = 74438
Step 92: 74438 + 818 = 75256
Step 93: 75256 + 818 = 76074
Step 94: 76074 + 818 = 76892
Step 95: 76892 + 818 = 77710
Step 96: 77710 + 818 = 78528
Step 97: 78528 + 818 = 79346
Step 98: 79346 + 818 = 80164
Step 99: 80164 + 818 = 80982
Step 100: 80982 + 818 = 81800
Step 101: 81800 + 818 = 82618
Step 102: 82618 + 818 = 83436
Step 103: 83436 + 818 = 84254
Step 104: 84254 + 818 = 85072
Step 105: 85072 + 818 = 85890
Step 106: 85890 + 818 = 86708
Step 107: 86708 + 818 = 87526
Step 108: 87526 + 818 = 88344
Step 109: 88344 + 818 = 89162
Step 110: 89162 + 818 = 89980
Step 111: 89980 + 818 = 90798
Step 112: 90798 + 818 = 91616
Step 113: 91616 + 818 = 92434
Step 114: 92434 + 818 = 93252
Step 115: 93252 + 818 = 94070
Step 116: 94070 + 818 = 94888
Step 117: 94888 + 818 = 95706
Step 118: 95706 + 818 = 96524
Step 119: 96524 + 818 = 97342
Step 120: 97342 + 818 = 98160
Step 121: 98160 + 818 = 98978
Step 122: 98978 + 818 = 99796
Step 123: 99796 + 818 = 100614
Step 124: 100614 + 818 = 101432
Step 125: 101432 + 818 = 102250
Step 126: 102250 + 818 = 103068
Step 127: 103068 + 818 = 103886
Step 128: 103886 + 818 = 104704
Step 129: 104704 + 818 = 105522
Step 130: 105522 + 818 = 106340
Step 131: 106340 + 818 = 107158
Step 132: 107158 + 818 = 107976
Step 133: 107976 + 818 = 108794
Step 134: 108794 + 818 = 109612
Step 135: 109612 + 818 = 110430
Step 136: 110430 + 818 = 111248
Step 137: 111248 + 818 = 112066
Step 138: 112066 + 818 = 112884
Step 139: 112884 + 818 = 113702
Step 140: 113702 + 818 = 114520
Step 141: 114520 + 818 = 115338
Step 142: 115338 + 818 = 116156
Step 143: 116156 + 818 = 116974
Step 144: 116974 + 818 = 117792
Step 145: 117792 + 818 = 118610
Step 146: 118610 + 818 = 119428
Step 147: 119428 + 818 = 120246
Step 148: 120246 + 818 = 121064
Step 149: 121064 + 818 = 121882
Step 150: 121882 + 818 = 122700
Step 151: 122700 + 818 = 123518
Step 152: 123518 + 818 = 124336
Step 153: 124336 + 818 = 125154
Step 154: 125154 + 818 = 125972
Step 155: 125972 + 818 = 126790
Step 156: 126790 + 818 = 127608
Step 157: 127608 + 818 = 128426
Step 158: 128426 + 818 = 129244
Step 159: 129244 + 818 = 130062
Step 160: 130062 + 818 = 130880
Step 161: 130880 + 818 = 131698
Step 162: 131698 + 818 = 132516
Step 163: 132516 + 818 = 133334
Step 164: 133334 + 818 = 134152
Step 165: 134152 + 818 = 134970
Step 166: 134970 + 818 = 135788
Step 167: 135788 + 818 = 136606
Step 168: 136606 + 818 = 137424
Step 169: 137424 + 818 = 138242
Step 170: 138242 + 818 = 139060
Step 171: 139060 + 818 = 139878
Step 172: 139878 + 818 = 140696
Step 173: 140696 + 818 = 141514
Step 174: 141514 + 818 = 142332
Step 175: 142332 + 818 = 143150
Step 176: 143150 + 818 = 143968
Step 177: 143968 + 818 = 144786
Step 178: 144786 + 818 = 145604
Step 179: 145604 + 818 = 146422
Step 180: 146422 + 818 = 147240
Step 181: 147240 + 818 = 148058
Step 182: 148058 + 818 = 148876
Step 183: 148876 + 818 = 149694
Step 184: 149694 + 818 = 150512
Step 185: 150512 + 818 = 151330
Step 186: 151330 + 818 = 152148
Step 187: 152148 + 818 = 152966
Step 188: 152966 + 818 = 153784
Step 189: 153784 + 818 = 154602
Step 190: 154602 + 818 = 155420
Step 191: 155420 + 818 = 156238
Step 192: 156238 + 818 = 157056
Step 193: 157056 + 818 = 157874
Step 194: 157874 + 818 = 158692
Step 195: 158692 + 818 = 159510
Step 196: 159510 + 818 = 160328
Step 197: 160328 + 818 = 161146
Step 198: 161146 + 818 = 161964
Step 199: 161964 + 818 = 162782
Step 200: 162782 + 818 = 163600
Step 201: 163600 + 818 = 164418
Step 202: 164418 + 818 = 165236
Step 203: 165236 + 818 = 166054
Step 204: 166054 + 818 = 166872
Step 205: 166872 + 818 = 167690
Step 206: 167690 + 818 = 168508
Step 207: 168508 + 818 = 169326
Step 208: 169326 + 818 = 170144
Step 209: 170144 + 818 = 170962
Step 210: 170962 + 818 = 171780
Step 211: 171780 + 818 = 172598
Step 212: 172598 + 818 = 173416
Step 213: 173416 + 818 = 174234
Step 214: 174234 + 818 = 175052
Step 215: 175052 + 818 = 175870
Step 216: 175870 + 818 = 176688
Step 217: 176688 + 818 = 177506
Step 218: 177506 + 818 = 178324
Step 219: 178324 + 818 = 179142
Step 220: 179142 + 818 = 179960
Step 221: 179960 + 818 = 180778
Step 222: 180778 + 818 = 181596
Step 223: 181596 + 818 = 182414
Step 224: 182414 + 818 = 183232
Step 225: 183232 + 818 = 184050
Step 226: 184050 + 818 = 184868
Step 227: 184868 + 818 = 185686
Step 228: 185686 + 818 = 186504
Step 229: 186504 + 818 = 187322
Step 230: 187322 + 818 = 188140
Step 231: 188140 + 818 = 188958
Step 232: 188958 + 818 = 189776
Step 233: 189776 + 818 = 190594
Step 234: 190594 + 818 = 191412
Step 235: 191412 + 818 = 192230
Step 236: 192230 + 818 = 193048
Step 237: 193048 + 818 = 193866
Step 238: 193866 + 818 = 194684
Step 239: 194684 + 818 = 195502
Step 240: 195502 + 818 = 196320
Step 241: 196320 + 818 = 197138
Step 242: 197138 + 818 = 197956
Step 243: 197956 + 818 = 198774
Step 244: 198774 + 818 = 199592
Step 245: 199592 + 818 = 200410
Step 246: 200410 + 818 = 201228
Step 247: 201228 + 818 = 202046
Step 248: 202046 + 818 = 202864
Step 249: 202864 + 818 = 203682
Step 250: 203682 + 818 = 204500
Step 251: 204500 + 818 = 205318
Step 252: 205318 + 818 = 206136
Step 253: 206136 + 818 = 206954
Step 254: 206954 + 818 = 207772
Step 255: 207772 + 818 = 208590
Step 256: 208590 + 818 = 209408
Step 257: 209408 + 818 = 210226
Step 258: 210226 + 818 = 211044
Step 259: 211044 + 818 = 211862
Step 260: 211862 + 818 = 212680
Step 261: 212680 + 818 = 213498
Step 262: 213498 + 818 = 214316
Step 263: 214316 + 818 = 215134
Step 264: 215134 + 818 = 215952
Step 265: 215952 + 818 = 216770
Step 266: 216770 + 818 = 217588
Step 267: 217588 + 818 = 218406
Step 268: 218406 + 818 = 219224
Step 269: 219224 + 818 = 220042
Step 270: 220042 + 818 = 220860
Step 271: 220860 + 818 = 221678
Step 272: 221678 + 818 = 222496
Step 273: 222496 + 818 = 223314
Step 274: 223314 + 818 = 224132
Step 275: 224132 + 818 = 224950
Step 276: 224950 + 818 = 225768
Step 277: 225768 + 818 = 226586
Step 278: 226586 + 818 = 227404
Step 279: 227404 + 818 = 228222
Step 280: 228222 + 818 = 229040
Step 281: 229040 + 818 = 229858
Step 282: 229858 + 818 = 230676
Step 283: 230676 + 818 = 231494
Step 284: 231494 + 818 = 232312
Step 285: 232312 + 818 = 233130
Step 286: 233130 + 818 = 233948
Step 287: 233948 + 818 = 234766
Step 288: 234766 + 818 = 235584
Step 289: 235584 + 818 = 236402
Step 290: 236402 + 818 = 237220
Step 291: 237220 + 818 = 238038
Step 292: 238038 + 818 = 238856
Step 293: 238856 + 818 = 239674
Step 294: 239674 + 818 = 240492
Step 295: 240492 + 818 = 241310
Step 296: 241310 + 818 = 242128
Step 297: 242128 + 818 = 242946
Step 298: 242946 + 818 = 243764
Step 299: 243764 + 818 = 244582
Step 300: 244582 + 818 = 245400
Step 301: 245400 + 818 = 246218
Step 302: 246218 + 818 = 247036
Step 303: 247036 + 818 = 247854
Step 304: 247854 + 818 = 248672
Step 305: 248672 + 818 = 249490
Step 306: 249490 + 818 = 250308
Step 307: 250308 + 818 = 251126
Step 308: 251126 + 818 = 251944
Step 309: 251944 + 818 = 252762
Step 310: 252762 + 818 = 253580
Step 311: 253580 + 818 = 254398
Step 312: 254398 + 818 = 255216
Step 313: 255216 + 818 = 256034
Step 314: 256034 + 818 = 256852
Step 315: 256852 + 818 = 257670
Step 316: 257670 + 818 = 258488
Step 317: 258488 + 818 = 259306
Step 318: 259306 + 818 = 260124
Step 319: 260124 + 818 = 260942
Step 320: 260942 + 818 = 261760
Step 321: 261760 + 818 = 262578
Step 322: 262578 + 818 = 263396
Step 323: 263396 + 818 = 264214
Step 324: 264214 + 818 = 265032
Step 325: 265032 + 818 = 265850
Step 326: 265850 + 818 = 266668
Step 327: 266668 + 818 = 267486
Step 328: 267486 + 818 = 268304
Step 329: 268304 + 818 = 269122
Step 330: 269122 + 818 = 269940
Step 331: 269940 + 818 = 270758
Step 332: 270758 + 818 = 271576
Step 333: 271576 + 818 = 272394
Step 334: 272394 + 818 = 273212
Step 335: 273212 + 818 = 274030
Step 336: 274030 + 818 = 274848
Step 337: 274848 + 818 = 275666
Step 338: 275666 + 818 = 276484
Step 339: 276484 + 818 = 277302
Step 340: 277302 + 818 = 278120
Step 341: 278120 + 818 = 278938
Step 342: 278938 + 818 = 279756
Step 343: 279756 + 818 = 280574
Step 344: 280574 + 818 = 281392
Step 345: 281392 + 818 = 282210
Step 346: 282210 + 818 = 283028
Step 347: 283028 + 818 = 283846
Step 348: 283846 + 818 = 284664
Step 349: 284664 + 818 = 285482
Step 350: 285482 + 818 = 286300
Step 351: 286300 + 818 = 287118
Step 352: 287118 + 818 = 287936
Step 353: 287936 + 818 = 288754
Step 354: 288754 + 818 = 289572
Step 355: 289572 + 818 = 290390
Step 356: 290390 + 818 = 291208
Step 357: 291208 + 818 = 292026
Step 358: 292026 + 818 = 292844
Step 359: 292844 + 818 = 293662
Step 360: 293662 + 818 = 294480
Step 361: 294480 + 818 = 295298
Step 362: 295298 + 818 = 296116
Step 363: 296116 + 818 = 296934
Step 364: 296934 + 818 = 297752
Step 365: 297752 + 818 = 298570
Step 366: 298570 + 818 = 299388
Step 367: 299388 + 818 = 300206
Step 368: 300206 + 818 = 301024
Step 369: 301024 + 818 = 301842
Step 370: 301842 + 818 = 302660
Step 371: 302660 + 818 = 303478
Step 372: 303478 + 818 = 304296
Step 373: 304296 + 818 = 305114
Step 374: 305114 + 818 = 305932
Step 375: 305932 + 818 = 306750
Step 376: 306750 + 818 = 307568
Step 377: 307568 + 818 = 308386
Step 378: 308386 + 818 = 309204
Step 379: 309204 + 818 = 310022
Step 380: 310022 + 818 = 310840
Step 381: 310840 + 818 = 311658
Step 382: 311658 + 818 = 312476
Step 383: 312476 + 818 = 313294
Step 384: 313294 + 818 = 314112
Step 385: 314112 + 818 = 314930
Step 386: 314930 + 818 = 315748
Step 387: 315748 + 818 = 316566
Step 388: 316566 + 818 = 317384
Step 389: 317384 + 818 = 318202
Step 390: 318202 + 818 = 319020
Step 391: 319020 + 818 = 319838
Step 392: 319838 + 818 = 320656
Step 393: 320656 + 818 = 321474
Step 394: 321474 + 818 = 322292
Step 395: 322292 + 818 = 323110
Step 396: 323110 + 818 = 323928
Step 397: 323928 + 818 = 324746
Step 398: 324746 + 818 = 325564
Step 399: 325564 + 818 = 326382
Step 400: 326382 + 818 = 327200
Step 401: 327200 + 818 = 328018
Step 402: 328018 + 818 = 328836
Step 403: 328836 + 818 = 329654
Step 404: 329654 + 818 = 330472
Step 405: 330472 + 818 = 331290
Step 406: 331290 + 818 = 332108
Step 407: 332108 + 818 = 332926
Step 408: 332926 + 818 = 333744
Step 409: 333744 + 818 = 334562
Step 410: 334562 + 818 = 335380
Step 411: 335380 + 818 = 336198
Step 412: 336198 + 818 = 337016
Step 413: 337016 + 818 = 337834
Step 414: 337834 + 818 = 338652
Step 415: 338652 + 818 = 339470
Step 416: 339470 + 818 = 340288
Step 417: 340288 + 818 = 341106
Step 418: 341106 + 818 = 341924
Step 419: 341924 + 818 = 342742
Step 420: 342742 + 818 = 343560
Step 421: 343560 + 818 = 344378
Step 422: 344378 + 818 = 345196
Step 423: 345196 + 818 = 346014
Step 424: 346014 + 818 = 346832

So, 818*424 = 346832