OK, let's crack this. We're given 866 and our task is to multiply it by 466. Essentially, we'll be adding 866 to itself 466 times.
Step 1: 0 + 866 = 866
Step 2: 866 + 866 = 1732
Step 3: 1732 + 866 = 2598
Step 4: 2598 + 866 = 3464
Step 5: 3464 + 866 = 4330
Step 6: 4330 + 866 = 5196
Step 7: 5196 + 866 = 6062
Step 8: 6062 + 866 = 6928
Step 9: 6928 + 866 = 7794
Step 10: 7794 + 866 = 8660
Step 11: 8660 + 866 = 9526
Step 12: 9526 + 866 = 10392
Step 13: 10392 + 866 = 11258
Step 14: 11258 + 866 = 12124
Step 15: 12124 + 866 = 12990
Step 16: 12990 + 866 = 13856
Step 17: 13856 + 866 = 14722
Step 18: 14722 + 866 = 15588
Step 19: 15588 + 866 = 16454
Step 20: 16454 + 866 = 17320
Step 21: 17320 + 866 = 18186
Step 22: 18186 + 866 = 19052
Step 23: 19052 + 866 = 19918
Step 24: 19918 + 866 = 20784
Step 25: 20784 + 866 = 21650
Step 26: 21650 + 866 = 22516
Step 27: 22516 + 866 = 23382
Step 28: 23382 + 866 = 24248
Step 29: 24248 + 866 = 25114
Step 30: 25114 + 866 = 25980
Step 31: 25980 + 866 = 26846
Step 32: 26846 + 866 = 27712
Step 33: 27712 + 866 = 28578
Step 34: 28578 + 866 = 29444
Step 35: 29444 + 866 = 30310
Step 36: 30310 + 866 = 31176
Step 37: 31176 + 866 = 32042
Step 38: 32042 + 866 = 32908
Step 39: 32908 + 866 = 33774
Step 40: 33774 + 866 = 34640
Step 41: 34640 + 866 = 35506
Step 42: 35506 + 866 = 36372
Step 43: 36372 + 866 = 37238
Step 44: 37238 + 866 = 38104
Step 45: 38104 + 866 = 38970
Step 46: 38970 + 866 = 39836
Step 47: 39836 + 866 = 40702
Step 48: 40702 + 866 = 41568
Step 49: 41568 + 866 = 42434
Step 50: 42434 + 866 = 43300
Step 51: 43300 + 866 = 44166
Step 52: 44166 + 866 = 45032
Step 53: 45032 + 866 = 45898
Step 54: 45898 + 866 = 46764
Step 55: 46764 + 866 = 47630
Step 56: 47630 + 866 = 48496
Step 57: 48496 + 866 = 49362
Step 58: 49362 + 866 = 50228
Step 59: 50228 + 866 = 51094
Step 60: 51094 + 866 = 51960
Step 61: 51960 + 866 = 52826
Step 62: 52826 + 866 = 53692
Step 63: 53692 + 866 = 54558
Step 64: 54558 + 866 = 55424
Step 65: 55424 + 866 = 56290
Step 66: 56290 + 866 = 57156
Step 67: 57156 + 866 = 58022
Step 68: 58022 + 866 = 58888
Step 69: 58888 + 866 = 59754
Step 70: 59754 + 866 = 60620
Step 71: 60620 + 866 = 61486
Step 72: 61486 + 866 = 62352
Step 73: 62352 + 866 = 63218
Step 74: 63218 + 866 = 64084
Step 75: 64084 + 866 = 64950
Step 76: 64950 + 866 = 65816
Step 77: 65816 + 866 = 66682
Step 78: 66682 + 866 = 67548
Step 79: 67548 + 866 = 68414
Step 80: 68414 + 866 = 69280
Step 81: 69280 + 866 = 70146
Step 82: 70146 + 866 = 71012
Step 83: 71012 + 866 = 71878
Step 84: 71878 + 866 = 72744
Step 85: 72744 + 866 = 73610
Step 86: 73610 + 866 = 74476
Step 87: 74476 + 866 = 75342
Step 88: 75342 + 866 = 76208
Step 89: 76208 + 866 = 77074
Step 90: 77074 + 866 = 77940
Step 91: 77940 + 866 = 78806
Step 92: 78806 + 866 = 79672
Step 93: 79672 + 866 = 80538
Step 94: 80538 + 866 = 81404
Step 95: 81404 + 866 = 82270
Step 96: 82270 + 866 = 83136
Step 97: 83136 + 866 = 84002
Step 98: 84002 + 866 = 84868
Step 99: 84868 + 866 = 85734
Step 100: 85734 + 866 = 86600
Step 101: 86600 + 866 = 87466
Step 102: 87466 + 866 = 88332
Step 103: 88332 + 866 = 89198
Step 104: 89198 + 866 = 90064
Step 105: 90064 + 866 = 90930
Step 106: 90930 + 866 = 91796
Step 107: 91796 + 866 = 92662
Step 108: 92662 + 866 = 93528
Step 109: 93528 + 866 = 94394
Step 110: 94394 + 866 = 95260
Step 111: 95260 + 866 = 96126
Step 112: 96126 + 866 = 96992
Step 113: 96992 + 866 = 97858
Step 114: 97858 + 866 = 98724
Step 115: 98724 + 866 = 99590
Step 116: 99590 + 866 = 100456
Step 117: 100456 + 866 = 101322
Step 118: 101322 + 866 = 102188
Step 119: 102188 + 866 = 103054
Step 120: 103054 + 866 = 103920
Step 121: 103920 + 866 = 104786
Step 122: 104786 + 866 = 105652
Step 123: 105652 + 866 = 106518
Step 124: 106518 + 866 = 107384
Step 125: 107384 + 866 = 108250
Step 126: 108250 + 866 = 109116
Step 127: 109116 + 866 = 109982
Step 128: 109982 + 866 = 110848
Step 129: 110848 + 866 = 111714
Step 130: 111714 + 866 = 112580
Step 131: 112580 + 866 = 113446
Step 132: 113446 + 866 = 114312
Step 133: 114312 + 866 = 115178
Step 134: 115178 + 866 = 116044
Step 135: 116044 + 866 = 116910
Step 136: 116910 + 866 = 117776
Step 137: 117776 + 866 = 118642
Step 138: 118642 + 866 = 119508
Step 139: 119508 + 866 = 120374
Step 140: 120374 + 866 = 121240
Step 141: 121240 + 866 = 122106
Step 142: 122106 + 866 = 122972
Step 143: 122972 + 866 = 123838
Step 144: 123838 + 866 = 124704
Step 145: 124704 + 866 = 125570
Step 146: 125570 + 866 = 126436
Step 147: 126436 + 866 = 127302
Step 148: 127302 + 866 = 128168
Step 149: 128168 + 866 = 129034
Step 150: 129034 + 866 = 129900
Step 151: 129900 + 866 = 130766
Step 152: 130766 + 866 = 131632
Step 153: 131632 + 866 = 132498
Step 154: 132498 + 866 = 133364
Step 155: 133364 + 866 = 134230
Step 156: 134230 + 866 = 135096
Step 157: 135096 + 866 = 135962
Step 158: 135962 + 866 = 136828
Step 159: 136828 + 866 = 137694
Step 160: 137694 + 866 = 138560
Step 161: 138560 + 866 = 139426
Step 162: 139426 + 866 = 140292
Step 163: 140292 + 866 = 141158
Step 164: 141158 + 866 = 142024
Step 165: 142024 + 866 = 142890
Step 166: 142890 + 866 = 143756
Step 167: 143756 + 866 = 144622
Step 168: 144622 + 866 = 145488
Step 169: 145488 + 866 = 146354
Step 170: 146354 + 866 = 147220
Step 171: 147220 + 866 = 148086
Step 172: 148086 + 866 = 148952
Step 173: 148952 + 866 = 149818
Step 174: 149818 + 866 = 150684
Step 175: 150684 + 866 = 151550
Step 176: 151550 + 866 = 152416
Step 177: 152416 + 866 = 153282
Step 178: 153282 + 866 = 154148
Step 179: 154148 + 866 = 155014
Step 180: 155014 + 866 = 155880
Step 181: 155880 + 866 = 156746
Step 182: 156746 + 866 = 157612
Step 183: 157612 + 866 = 158478
Step 184: 158478 + 866 = 159344
Step 185: 159344 + 866 = 160210
Step 186: 160210 + 866 = 161076
Step 187: 161076 + 866 = 161942
Step 188: 161942 + 866 = 162808
Step 189: 162808 + 866 = 163674
Step 190: 163674 + 866 = 164540
Step 191: 164540 + 866 = 165406
Step 192: 165406 + 866 = 166272
Step 193: 166272 + 866 = 167138
Step 194: 167138 + 866 = 168004
Step 195: 168004 + 866 = 168870
Step 196: 168870 + 866 = 169736
Step 197: 169736 + 866 = 170602
Step 198: 170602 + 866 = 171468
Step 199: 171468 + 866 = 172334
Step 200: 172334 + 866 = 173200
Step 201: 173200 + 866 = 174066
Step 202: 174066 + 866 = 174932
Step 203: 174932 + 866 = 175798
Step 204: 175798 + 866 = 176664
Step 205: 176664 + 866 = 177530
Step 206: 177530 + 866 = 178396
Step 207: 178396 + 866 = 179262
Step 208: 179262 + 866 = 180128
Step 209: 180128 + 866 = 180994
Step 210: 180994 + 866 = 181860
Step 211: 181860 + 866 = 182726
Step 212: 182726 + 866 = 183592
Step 213: 183592 + 866 = 184458
Step 214: 184458 + 866 = 185324
Step 215: 185324 + 866 = 186190
Step 216: 186190 + 866 = 187056
Step 217: 187056 + 866 = 187922
Step 218: 187922 + 866 = 188788
Step 219: 188788 + 866 = 189654
Step 220: 189654 + 866 = 190520
Step 221: 190520 + 866 = 191386
Step 222: 191386 + 866 = 192252
Step 223: 192252 + 866 = 193118
Step 224: 193118 + 866 = 193984
Step 225: 193984 + 866 = 194850
Step 226: 194850 + 866 = 195716
Step 227: 195716 + 866 = 196582
Step 228: 196582 + 866 = 197448
Step 229: 197448 + 866 = 198314
Step 230: 198314 + 866 = 199180
Step 231: 199180 + 866 = 200046
Step 232: 200046 + 866 = 200912
Step 233: 200912 + 866 = 201778
Step 234: 201778 + 866 = 202644
Step 235: 202644 + 866 = 203510
Step 236: 203510 + 866 = 204376
Step 237: 204376 + 866 = 205242
Step 238: 205242 + 866 = 206108
Step 239: 206108 + 866 = 206974
Step 240: 206974 + 866 = 207840
Step 241: 207840 + 866 = 208706
Step 242: 208706 + 866 = 209572
Step 243: 209572 + 866 = 210438
Step 244: 210438 + 866 = 211304
Step 245: 211304 + 866 = 212170
Step 246: 212170 + 866 = 213036
Step 247: 213036 + 866 = 213902
Step 248: 213902 + 866 = 214768
Step 249: 214768 + 866 = 215634
Step 250: 215634 + 866 = 216500
Step 251: 216500 + 866 = 217366
Step 252: 217366 + 866 = 218232
Step 253: 218232 + 866 = 219098
Step 254: 219098 + 866 = 219964
Step 255: 219964 + 866 = 220830
Step 256: 220830 + 866 = 221696
Step 257: 221696 + 866 = 222562
Step 258: 222562 + 866 = 223428
Step 259: 223428 + 866 = 224294
Step 260: 224294 + 866 = 225160
Step 261: 225160 + 866 = 226026
Step 262: 226026 + 866 = 226892
Step 263: 226892 + 866 = 227758
Step 264: 227758 + 866 = 228624
Step 265: 228624 + 866 = 229490
Step 266: 229490 + 866 = 230356
Step 267: 230356 + 866 = 231222
Step 268: 231222 + 866 = 232088
Step 269: 232088 + 866 = 232954
Step 270: 232954 + 866 = 233820
Step 271: 233820 + 866 = 234686
Step 272: 234686 + 866 = 235552
Step 273: 235552 + 866 = 236418
Step 274: 236418 + 866 = 237284
Step 275: 237284 + 866 = 238150
Step 276: 238150 + 866 = 239016
Step 277: 239016 + 866 = 239882
Step 278: 239882 + 866 = 240748
Step 279: 240748 + 866 = 241614
Step 280: 241614 + 866 = 242480
Step 281: 242480 + 866 = 243346
Step 282: 243346 + 866 = 244212
Step 283: 244212 + 866 = 245078
Step 284: 245078 + 866 = 245944
Step 285: 245944 + 866 = 246810
Step 286: 246810 + 866 = 247676
Step 287: 247676 + 866 = 248542
Step 288: 248542 + 866 = 249408
Step 289: 249408 + 866 = 250274
Step 290: 250274 + 866 = 251140
Step 291: 251140 + 866 = 252006
Step 292: 252006 + 866 = 252872
Step 293: 252872 + 866 = 253738
Step 294: 253738 + 866 = 254604
Step 295: 254604 + 866 = 255470
Step 296: 255470 + 866 = 256336
Step 297: 256336 + 866 = 257202
Step 298: 257202 + 866 = 258068
Step 299: 258068 + 866 = 258934
Step 300: 258934 + 866 = 259800
Step 301: 259800 + 866 = 260666
Step 302: 260666 + 866 = 261532
Step 303: 261532 + 866 = 262398
Step 304: 262398 + 866 = 263264
Step 305: 263264 + 866 = 264130
Step 306: 264130 + 866 = 264996
Step 307: 264996 + 866 = 265862
Step 308: 265862 + 866 = 266728
Step 309: 266728 + 866 = 267594
Step 310: 267594 + 866 = 268460
Step 311: 268460 + 866 = 269326
Step 312: 269326 + 866 = 270192
Step 313: 270192 + 866 = 271058
Step 314: 271058 + 866 = 271924
Step 315: 271924 + 866 = 272790
Step 316: 272790 + 866 = 273656
Step 317: 273656 + 866 = 274522
Step 318: 274522 + 866 = 275388
Step 319: 275388 + 866 = 276254
Step 320: 276254 + 866 = 277120
Step 321: 277120 + 866 = 277986
Step 322: 277986 + 866 = 278852
Step 323: 278852 + 866 = 279718
Step 324: 279718 + 866 = 280584
Step 325: 280584 + 866 = 281450
Step 326: 281450 + 866 = 282316
Step 327: 282316 + 866 = 283182
Step 328: 283182 + 866 = 284048
Step 329: 284048 + 866 = 284914
Step 330: 284914 + 866 = 285780
Step 331: 285780 + 866 = 286646
Step 332: 286646 + 866 = 287512
Step 333: 287512 + 866 = 288378
Step 334: 288378 + 866 = 289244
Step 335: 289244 + 866 = 290110
Step 336: 290110 + 866 = 290976
Step 337: 290976 + 866 = 291842
Step 338: 291842 + 866 = 292708
Step 339: 292708 + 866 = 293574
Step 340: 293574 + 866 = 294440
Step 341: 294440 + 866 = 295306
Step 342: 295306 + 866 = 296172
Step 343: 296172 + 866 = 297038
Step 344: 297038 + 866 = 297904
Step 345: 297904 + 866 = 298770
Step 346: 298770 + 866 = 299636
Step 347: 299636 + 866 = 300502
Step 348: 300502 + 866 = 301368
Step 349: 301368 + 866 = 302234
Step 350: 302234 + 866 = 303100
Step 351: 303100 + 866 = 303966
Step 352: 303966 + 866 = 304832
Step 353: 304832 + 866 = 305698
Step 354: 305698 + 866 = 306564
Step 355: 306564 + 866 = 307430
Step 356: 307430 + 866 = 308296
Step 357: 308296 + 866 = 309162
Step 358: 309162 + 866 = 310028
Step 359: 310028 + 866 = 310894
Step 360: 310894 + 866 = 311760
Step 361: 311760 + 866 = 312626
Step 362: 312626 + 866 = 313492
Step 363: 313492 + 866 = 314358
Step 364: 314358 + 866 = 315224
Step 365: 315224 + 866 = 316090
Step 366: 316090 + 866 = 316956
Step 367: 316956 + 866 = 317822
Step 368: 317822 + 866 = 318688
Step 369: 318688 + 866 = 319554
Step 370: 319554 + 866 = 320420
Step 371: 320420 + 866 = 321286
Step 372: 321286 + 866 = 322152
Step 373: 322152 + 866 = 323018
Step 374: 323018 + 866 = 323884
Step 375: 323884 + 866 = 324750
Step 376: 324750 + 866 = 325616
Step 377: 325616 + 866 = 326482
Step 378: 326482 + 866 = 327348
Step 379: 327348 + 866 = 328214
Step 380: 328214 + 866 = 329080
Step 381: 329080 + 866 = 329946
Step 382: 329946 + 866 = 330812
Step 383: 330812 + 866 = 331678
Step 384: 331678 + 866 = 332544
Step 385: 332544 + 866 = 333410
Step 386: 333410 + 866 = 334276
Step 387: 334276 + 866 = 335142
Step 388: 335142 + 866 = 336008
Step 389: 336008 + 866 = 336874
Step 390: 336874 + 866 = 337740
Step 391: 337740 + 866 = 338606
Step 392: 338606 + 866 = 339472
Step 393: 339472 + 866 = 340338
Step 394: 340338 + 866 = 341204
Step 395: 341204 + 866 = 342070
Step 396: 342070 + 866 = 342936
Step 397: 342936 + 866 = 343802
Step 398: 343802 + 866 = 344668
Step 399: 344668 + 866 = 345534
Step 400: 345534 + 866 = 346400
Step 401: 346400 + 866 = 347266
Step 402: 347266 + 866 = 348132
Step 403: 348132 + 866 = 348998
Step 404: 348998 + 866 = 349864
Step 405: 349864 + 866 = 350730
Step 406: 350730 + 866 = 351596
Step 407: 351596 + 866 = 352462
Step 408: 352462 + 866 = 353328
Step 409: 353328 + 866 = 354194
Step 410: 354194 + 866 = 355060
Step 411: 355060 + 866 = 355926
Step 412: 355926 + 866 = 356792
Step 413: 356792 + 866 = 357658
Step 414: 357658 + 866 = 358524
Step 415: 358524 + 866 = 359390
Step 416: 359390 + 866 = 360256
Step 417: 360256 + 866 = 361122
Step 418: 361122 + 866 = 361988
Step 419: 361988 + 866 = 362854
Step 420: 362854 + 866 = 363720
Step 421: 363720 + 866 = 364586
Step 422: 364586 + 866 = 365452
Step 423: 365452 + 866 = 366318
Step 424: 366318 + 866 = 367184
Step 425: 367184 + 866 = 368050
Step 426: 368050 + 866 = 368916
Step 427: 368916 + 866 = 369782
Step 428: 369782 + 866 = 370648
Step 429: 370648 + 866 = 371514
Step 430: 371514 + 866 = 372380
Step 431: 372380 + 866 = 373246
Step 432: 373246 + 866 = 374112
Step 433: 374112 + 866 = 374978
Step 434: 374978 + 866 = 375844
Step 435: 375844 + 866 = 376710
Step 436: 376710 + 866 = 377576
Step 437: 377576 + 866 = 378442
Step 438: 378442 + 866 = 379308
Step 439: 379308 + 866 = 380174
Step 440: 380174 + 866 = 381040
Step 441: 381040 + 866 = 381906
Step 442: 381906 + 866 = 382772
Step 443: 382772 + 866 = 383638
Step 444: 383638 + 866 = 384504
Step 445: 384504 + 866 = 385370
Step 446: 385370 + 866 = 386236
Step 447: 386236 + 866 = 387102
Step 448: 387102 + 866 = 387968
Step 449: 387968 + 866 = 388834
Step 450: 388834 + 866 = 389700
Step 451: 389700 + 866 = 390566
Step 452: 390566 + 866 = 391432
Step 453: 391432 + 866 = 392298
Step 454: 392298 + 866 = 393164
Step 455: 393164 + 866 = 394030
Step 456: 394030 + 866 = 394896
Step 457: 394896 + 866 = 395762
Step 458: 395762 + 866 = 396628
Step 459: 396628 + 866 = 397494
Step 460: 397494 + 866 = 398360
Step 461: 398360 + 866 = 399226
Step 462: 399226 + 866 = 400092
Step 463: 400092 + 866 = 400958
Step 464: 400958 + 866 = 401824
Step 465: 401824 + 866 = 402690
Step 466: 402690 + 866 = 403556

So, 866*466 = 403556