OK, let's crack this. We're given 898 and our task is to multiply it by 409. Essentially, we'll be adding 898 to itself 409 times.
Step 1: 0 + 898 = 898
Step 2: 898 + 898 = 1796
Step 3: 1796 + 898 = 2694
Step 4: 2694 + 898 = 3592
Step 5: 3592 + 898 = 4490
Step 6: 4490 + 898 = 5388
Step 7: 5388 + 898 = 6286
Step 8: 6286 + 898 = 7184
Step 9: 7184 + 898 = 8082
Step 10: 8082 + 898 = 8980
Step 11: 8980 + 898 = 9878
Step 12: 9878 + 898 = 10776
Step 13: 10776 + 898 = 11674
Step 14: 11674 + 898 = 12572
Step 15: 12572 + 898 = 13470
Step 16: 13470 + 898 = 14368
Step 17: 14368 + 898 = 15266
Step 18: 15266 + 898 = 16164
Step 19: 16164 + 898 = 17062
Step 20: 17062 + 898 = 17960
Step 21: 17960 + 898 = 18858
Step 22: 18858 + 898 = 19756
Step 23: 19756 + 898 = 20654
Step 24: 20654 + 898 = 21552
Step 25: 21552 + 898 = 22450
Step 26: 22450 + 898 = 23348
Step 27: 23348 + 898 = 24246
Step 28: 24246 + 898 = 25144
Step 29: 25144 + 898 = 26042
Step 30: 26042 + 898 = 26940
Step 31: 26940 + 898 = 27838
Step 32: 27838 + 898 = 28736
Step 33: 28736 + 898 = 29634
Step 34: 29634 + 898 = 30532
Step 35: 30532 + 898 = 31430
Step 36: 31430 + 898 = 32328
Step 37: 32328 + 898 = 33226
Step 38: 33226 + 898 = 34124
Step 39: 34124 + 898 = 35022
Step 40: 35022 + 898 = 35920
Step 41: 35920 + 898 = 36818
Step 42: 36818 + 898 = 37716
Step 43: 37716 + 898 = 38614
Step 44: 38614 + 898 = 39512
Step 45: 39512 + 898 = 40410
Step 46: 40410 + 898 = 41308
Step 47: 41308 + 898 = 42206
Step 48: 42206 + 898 = 43104
Step 49: 43104 + 898 = 44002
Step 50: 44002 + 898 = 44900
Step 51: 44900 + 898 = 45798
Step 52: 45798 + 898 = 46696
Step 53: 46696 + 898 = 47594
Step 54: 47594 + 898 = 48492
Step 55: 48492 + 898 = 49390
Step 56: 49390 + 898 = 50288
Step 57: 50288 + 898 = 51186
Step 58: 51186 + 898 = 52084
Step 59: 52084 + 898 = 52982
Step 60: 52982 + 898 = 53880
Step 61: 53880 + 898 = 54778
Step 62: 54778 + 898 = 55676
Step 63: 55676 + 898 = 56574
Step 64: 56574 + 898 = 57472
Step 65: 57472 + 898 = 58370
Step 66: 58370 + 898 = 59268
Step 67: 59268 + 898 = 60166
Step 68: 60166 + 898 = 61064
Step 69: 61064 + 898 = 61962
Step 70: 61962 + 898 = 62860
Step 71: 62860 + 898 = 63758
Step 72: 63758 + 898 = 64656
Step 73: 64656 + 898 = 65554
Step 74: 65554 + 898 = 66452
Step 75: 66452 + 898 = 67350
Step 76: 67350 + 898 = 68248
Step 77: 68248 + 898 = 69146
Step 78: 69146 + 898 = 70044
Step 79: 70044 + 898 = 70942
Step 80: 70942 + 898 = 71840
Step 81: 71840 + 898 = 72738
Step 82: 72738 + 898 = 73636
Step 83: 73636 + 898 = 74534
Step 84: 74534 + 898 = 75432
Step 85: 75432 + 898 = 76330
Step 86: 76330 + 898 = 77228
Step 87: 77228 + 898 = 78126
Step 88: 78126 + 898 = 79024
Step 89: 79024 + 898 = 79922
Step 90: 79922 + 898 = 80820
Step 91: 80820 + 898 = 81718
Step 92: 81718 + 898 = 82616
Step 93: 82616 + 898 = 83514
Step 94: 83514 + 898 = 84412
Step 95: 84412 + 898 = 85310
Step 96: 85310 + 898 = 86208
Step 97: 86208 + 898 = 87106
Step 98: 87106 + 898 = 88004
Step 99: 88004 + 898 = 88902
Step 100: 88902 + 898 = 89800
Step 101: 89800 + 898 = 90698
Step 102: 90698 + 898 = 91596
Step 103: 91596 + 898 = 92494
Step 104: 92494 + 898 = 93392
Step 105: 93392 + 898 = 94290
Step 106: 94290 + 898 = 95188
Step 107: 95188 + 898 = 96086
Step 108: 96086 + 898 = 96984
Step 109: 96984 + 898 = 97882
Step 110: 97882 + 898 = 98780
Step 111: 98780 + 898 = 99678
Step 112: 99678 + 898 = 100576
Step 113: 100576 + 898 = 101474
Step 114: 101474 + 898 = 102372
Step 115: 102372 + 898 = 103270
Step 116: 103270 + 898 = 104168
Step 117: 104168 + 898 = 105066
Step 118: 105066 + 898 = 105964
Step 119: 105964 + 898 = 106862
Step 120: 106862 + 898 = 107760
Step 121: 107760 + 898 = 108658
Step 122: 108658 + 898 = 109556
Step 123: 109556 + 898 = 110454
Step 124: 110454 + 898 = 111352
Step 125: 111352 + 898 = 112250
Step 126: 112250 + 898 = 113148
Step 127: 113148 + 898 = 114046
Step 128: 114046 + 898 = 114944
Step 129: 114944 + 898 = 115842
Step 130: 115842 + 898 = 116740
Step 131: 116740 + 898 = 117638
Step 132: 117638 + 898 = 118536
Step 133: 118536 + 898 = 119434
Step 134: 119434 + 898 = 120332
Step 135: 120332 + 898 = 121230
Step 136: 121230 + 898 = 122128
Step 137: 122128 + 898 = 123026
Step 138: 123026 + 898 = 123924
Step 139: 123924 + 898 = 124822
Step 140: 124822 + 898 = 125720
Step 141: 125720 + 898 = 126618
Step 142: 126618 + 898 = 127516
Step 143: 127516 + 898 = 128414
Step 144: 128414 + 898 = 129312
Step 145: 129312 + 898 = 130210
Step 146: 130210 + 898 = 131108
Step 147: 131108 + 898 = 132006
Step 148: 132006 + 898 = 132904
Step 149: 132904 + 898 = 133802
Step 150: 133802 + 898 = 134700
Step 151: 134700 + 898 = 135598
Step 152: 135598 + 898 = 136496
Step 153: 136496 + 898 = 137394
Step 154: 137394 + 898 = 138292
Step 155: 138292 + 898 = 139190
Step 156: 139190 + 898 = 140088
Step 157: 140088 + 898 = 140986
Step 158: 140986 + 898 = 141884
Step 159: 141884 + 898 = 142782
Step 160: 142782 + 898 = 143680
Step 161: 143680 + 898 = 144578
Step 162: 144578 + 898 = 145476
Step 163: 145476 + 898 = 146374
Step 164: 146374 + 898 = 147272
Step 165: 147272 + 898 = 148170
Step 166: 148170 + 898 = 149068
Step 167: 149068 + 898 = 149966
Step 168: 149966 + 898 = 150864
Step 169: 150864 + 898 = 151762
Step 170: 151762 + 898 = 152660
Step 171: 152660 + 898 = 153558
Step 172: 153558 + 898 = 154456
Step 173: 154456 + 898 = 155354
Step 174: 155354 + 898 = 156252
Step 175: 156252 + 898 = 157150
Step 176: 157150 + 898 = 158048
Step 177: 158048 + 898 = 158946
Step 178: 158946 + 898 = 159844
Step 179: 159844 + 898 = 160742
Step 180: 160742 + 898 = 161640
Step 181: 161640 + 898 = 162538
Step 182: 162538 + 898 = 163436
Step 183: 163436 + 898 = 164334
Step 184: 164334 + 898 = 165232
Step 185: 165232 + 898 = 166130
Step 186: 166130 + 898 = 167028
Step 187: 167028 + 898 = 167926
Step 188: 167926 + 898 = 168824
Step 189: 168824 + 898 = 169722
Step 190: 169722 + 898 = 170620
Step 191: 170620 + 898 = 171518
Step 192: 171518 + 898 = 172416
Step 193: 172416 + 898 = 173314
Step 194: 173314 + 898 = 174212
Step 195: 174212 + 898 = 175110
Step 196: 175110 + 898 = 176008
Step 197: 176008 + 898 = 176906
Step 198: 176906 + 898 = 177804
Step 199: 177804 + 898 = 178702
Step 200: 178702 + 898 = 179600
Step 201: 179600 + 898 = 180498
Step 202: 180498 + 898 = 181396
Step 203: 181396 + 898 = 182294
Step 204: 182294 + 898 = 183192
Step 205: 183192 + 898 = 184090
Step 206: 184090 + 898 = 184988
Step 207: 184988 + 898 = 185886
Step 208: 185886 + 898 = 186784
Step 209: 186784 + 898 = 187682
Step 210: 187682 + 898 = 188580
Step 211: 188580 + 898 = 189478
Step 212: 189478 + 898 = 190376
Step 213: 190376 + 898 = 191274
Step 214: 191274 + 898 = 192172
Step 215: 192172 + 898 = 193070
Step 216: 193070 + 898 = 193968
Step 217: 193968 + 898 = 194866
Step 218: 194866 + 898 = 195764
Step 219: 195764 + 898 = 196662
Step 220: 196662 + 898 = 197560
Step 221: 197560 + 898 = 198458
Step 222: 198458 + 898 = 199356
Step 223: 199356 + 898 = 200254
Step 224: 200254 + 898 = 201152
Step 225: 201152 + 898 = 202050
Step 226: 202050 + 898 = 202948
Step 227: 202948 + 898 = 203846
Step 228: 203846 + 898 = 204744
Step 229: 204744 + 898 = 205642
Step 230: 205642 + 898 = 206540
Step 231: 206540 + 898 = 207438
Step 232: 207438 + 898 = 208336
Step 233: 208336 + 898 = 209234
Step 234: 209234 + 898 = 210132
Step 235: 210132 + 898 = 211030
Step 236: 211030 + 898 = 211928
Step 237: 211928 + 898 = 212826
Step 238: 212826 + 898 = 213724
Step 239: 213724 + 898 = 214622
Step 240: 214622 + 898 = 215520
Step 241: 215520 + 898 = 216418
Step 242: 216418 + 898 = 217316
Step 243: 217316 + 898 = 218214
Step 244: 218214 + 898 = 219112
Step 245: 219112 + 898 = 220010
Step 246: 220010 + 898 = 220908
Step 247: 220908 + 898 = 221806
Step 248: 221806 + 898 = 222704
Step 249: 222704 + 898 = 223602
Step 250: 223602 + 898 = 224500
Step 251: 224500 + 898 = 225398
Step 252: 225398 + 898 = 226296
Step 253: 226296 + 898 = 227194
Step 254: 227194 + 898 = 228092
Step 255: 228092 + 898 = 228990
Step 256: 228990 + 898 = 229888
Step 257: 229888 + 898 = 230786
Step 258: 230786 + 898 = 231684
Step 259: 231684 + 898 = 232582
Step 260: 232582 + 898 = 233480
Step 261: 233480 + 898 = 234378
Step 262: 234378 + 898 = 235276
Step 263: 235276 + 898 = 236174
Step 264: 236174 + 898 = 237072
Step 265: 237072 + 898 = 237970
Step 266: 237970 + 898 = 238868
Step 267: 238868 + 898 = 239766
Step 268: 239766 + 898 = 240664
Step 269: 240664 + 898 = 241562
Step 270: 241562 + 898 = 242460
Step 271: 242460 + 898 = 243358
Step 272: 243358 + 898 = 244256
Step 273: 244256 + 898 = 245154
Step 274: 245154 + 898 = 246052
Step 275: 246052 + 898 = 246950
Step 276: 246950 + 898 = 247848
Step 277: 247848 + 898 = 248746
Step 278: 248746 + 898 = 249644
Step 279: 249644 + 898 = 250542
Step 280: 250542 + 898 = 251440
Step 281: 251440 + 898 = 252338
Step 282: 252338 + 898 = 253236
Step 283: 253236 + 898 = 254134
Step 284: 254134 + 898 = 255032
Step 285: 255032 + 898 = 255930
Step 286: 255930 + 898 = 256828
Step 287: 256828 + 898 = 257726
Step 288: 257726 + 898 = 258624
Step 289: 258624 + 898 = 259522
Step 290: 259522 + 898 = 260420
Step 291: 260420 + 898 = 261318
Step 292: 261318 + 898 = 262216
Step 293: 262216 + 898 = 263114
Step 294: 263114 + 898 = 264012
Step 295: 264012 + 898 = 264910
Step 296: 264910 + 898 = 265808
Step 297: 265808 + 898 = 266706
Step 298: 266706 + 898 = 267604
Step 299: 267604 + 898 = 268502
Step 300: 268502 + 898 = 269400
Step 301: 269400 + 898 = 270298
Step 302: 270298 + 898 = 271196
Step 303: 271196 + 898 = 272094
Step 304: 272094 + 898 = 272992
Step 305: 272992 + 898 = 273890
Step 306: 273890 + 898 = 274788
Step 307: 274788 + 898 = 275686
Step 308: 275686 + 898 = 276584
Step 309: 276584 + 898 = 277482
Step 310: 277482 + 898 = 278380
Step 311: 278380 + 898 = 279278
Step 312: 279278 + 898 = 280176
Step 313: 280176 + 898 = 281074
Step 314: 281074 + 898 = 281972
Step 315: 281972 + 898 = 282870
Step 316: 282870 + 898 = 283768
Step 317: 283768 + 898 = 284666
Step 318: 284666 + 898 = 285564
Step 319: 285564 + 898 = 286462
Step 320: 286462 + 898 = 287360
Step 321: 287360 + 898 = 288258
Step 322: 288258 + 898 = 289156
Step 323: 289156 + 898 = 290054
Step 324: 290054 + 898 = 290952
Step 325: 290952 + 898 = 291850
Step 326: 291850 + 898 = 292748
Step 327: 292748 + 898 = 293646
Step 328: 293646 + 898 = 294544
Step 329: 294544 + 898 = 295442
Step 330: 295442 + 898 = 296340
Step 331: 296340 + 898 = 297238
Step 332: 297238 + 898 = 298136
Step 333: 298136 + 898 = 299034
Step 334: 299034 + 898 = 299932
Step 335: 299932 + 898 = 300830
Step 336: 300830 + 898 = 301728
Step 337: 301728 + 898 = 302626
Step 338: 302626 + 898 = 303524
Step 339: 303524 + 898 = 304422
Step 340: 304422 + 898 = 305320
Step 341: 305320 + 898 = 306218
Step 342: 306218 + 898 = 307116
Step 343: 307116 + 898 = 308014
Step 344: 308014 + 898 = 308912
Step 345: 308912 + 898 = 309810
Step 346: 309810 + 898 = 310708
Step 347: 310708 + 898 = 311606
Step 348: 311606 + 898 = 312504
Step 349: 312504 + 898 = 313402
Step 350: 313402 + 898 = 314300
Step 351: 314300 + 898 = 315198
Step 352: 315198 + 898 = 316096
Step 353: 316096 + 898 = 316994
Step 354: 316994 + 898 = 317892
Step 355: 317892 + 898 = 318790
Step 356: 318790 + 898 = 319688
Step 357: 319688 + 898 = 320586
Step 358: 320586 + 898 = 321484
Step 359: 321484 + 898 = 322382
Step 360: 322382 + 898 = 323280
Step 361: 323280 + 898 = 324178
Step 362: 324178 + 898 = 325076
Step 363: 325076 + 898 = 325974
Step 364: 325974 + 898 = 326872
Step 365: 326872 + 898 = 327770
Step 366: 327770 + 898 = 328668
Step 367: 328668 + 898 = 329566
Step 368: 329566 + 898 = 330464
Step 369: 330464 + 898 = 331362
Step 370: 331362 + 898 = 332260
Step 371: 332260 + 898 = 333158
Step 372: 333158 + 898 = 334056
Step 373: 334056 + 898 = 334954
Step 374: 334954 + 898 = 335852
Step 375: 335852 + 898 = 336750
Step 376: 336750 + 898 = 337648
Step 377: 337648 + 898 = 338546
Step 378: 338546 + 898 = 339444
Step 379: 339444 + 898 = 340342
Step 380: 340342 + 898 = 341240
Step 381: 341240 + 898 = 342138
Step 382: 342138 + 898 = 343036
Step 383: 343036 + 898 = 343934
Step 384: 343934 + 898 = 344832
Step 385: 344832 + 898 = 345730
Step 386: 345730 + 898 = 346628
Step 387: 346628 + 898 = 347526
Step 388: 347526 + 898 = 348424
Step 389: 348424 + 898 = 349322
Step 390: 349322 + 898 = 350220
Step 391: 350220 + 898 = 351118
Step 392: 351118 + 898 = 352016
Step 393: 352016 + 898 = 352914
Step 394: 352914 + 898 = 353812
Step 395: 353812 + 898 = 354710
Step 396: 354710 + 898 = 355608
Step 397: 355608 + 898 = 356506
Step 398: 356506 + 898 = 357404
Step 399: 357404 + 898 = 358302
Step 400: 358302 + 898 = 359200
Step 401: 359200 + 898 = 360098
Step 402: 360098 + 898 = 360996
Step 403: 360996 + 898 = 361894
Step 404: 361894 + 898 = 362792
Step 405: 362792 + 898 = 363690
Step 406: 363690 + 898 = 364588
Step 407: 364588 + 898 = 365486
Step 408: 365486 + 898 = 366384
Step 409: 366384 + 898 = 367282

So, 898*409 = 367282