Alright, let's solve this math problem step by step. First, we have the number 867. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 428. So, we're going to take the number 867 and add it to itself 428 times.
Step 1: 0 + 867 = 867
Step 2: 867 + 867 = 1734
Step 3: 1734 + 867 = 2601
Step 4: 2601 + 867 = 3468
Step 5: 3468 + 867 = 4335
Step 6: 4335 + 867 = 5202
Step 7: 5202 + 867 = 6069
Step 8: 6069 + 867 = 6936
Step 9: 6936 + 867 = 7803
Step 10: 7803 + 867 = 8670
Step 11: 8670 + 867 = 9537
Step 12: 9537 + 867 = 10404
Step 13: 10404 + 867 = 11271
Step 14: 11271 + 867 = 12138
Step 15: 12138 + 867 = 13005
Step 16: 13005 + 867 = 13872
Step 17: 13872 + 867 = 14739
Step 18: 14739 + 867 = 15606
Step 19: 15606 + 867 = 16473
Step 20: 16473 + 867 = 17340
Step 21: 17340 + 867 = 18207
Step 22: 18207 + 867 = 19074
Step 23: 19074 + 867 = 19941
Step 24: 19941 + 867 = 20808
Step 25: 20808 + 867 = 21675
Step 26: 21675 + 867 = 22542
Step 27: 22542 + 867 = 23409
Step 28: 23409 + 867 = 24276
Step 29: 24276 + 867 = 25143
Step 30: 25143 + 867 = 26010
Step 31: 26010 + 867 = 26877
Step 32: 26877 + 867 = 27744
Step 33: 27744 + 867 = 28611
Step 34: 28611 + 867 = 29478
Step 35: 29478 + 867 = 30345
Step 36: 30345 + 867 = 31212
Step 37: 31212 + 867 = 32079
Step 38: 32079 + 867 = 32946
Step 39: 32946 + 867 = 33813
Step 40: 33813 + 867 = 34680
Step 41: 34680 + 867 = 35547
Step 42: 35547 + 867 = 36414
Step 43: 36414 + 867 = 37281
Step 44: 37281 + 867 = 38148
Step 45: 38148 + 867 = 39015
Step 46: 39015 + 867 = 39882
Step 47: 39882 + 867 = 40749
Step 48: 40749 + 867 = 41616
Step 49: 41616 + 867 = 42483
Step 50: 42483 + 867 = 43350
Step 51: 43350 + 867 = 44217
Step 52: 44217 + 867 = 45084
Step 53: 45084 + 867 = 45951
Step 54: 45951 + 867 = 46818
Step 55: 46818 + 867 = 47685
Step 56: 47685 + 867 = 48552
Step 57: 48552 + 867 = 49419
Step 58: 49419 + 867 = 50286
Step 59: 50286 + 867 = 51153
Step 60: 51153 + 867 = 52020
Step 61: 52020 + 867 = 52887
Step 62: 52887 + 867 = 53754
Step 63: 53754 + 867 = 54621
Step 64: 54621 + 867 = 55488
Step 65: 55488 + 867 = 56355
Step 66: 56355 + 867 = 57222
Step 67: 57222 + 867 = 58089
Step 68: 58089 + 867 = 58956
Step 69: 58956 + 867 = 59823
Step 70: 59823 + 867 = 60690
Step 71: 60690 + 867 = 61557
Step 72: 61557 + 867 = 62424
Step 73: 62424 + 867 = 63291
Step 74: 63291 + 867 = 64158
Step 75: 64158 + 867 = 65025
Step 76: 65025 + 867 = 65892
Step 77: 65892 + 867 = 66759
Step 78: 66759 + 867 = 67626
Step 79: 67626 + 867 = 68493
Step 80: 68493 + 867 = 69360
Step 81: 69360 + 867 = 70227
Step 82: 70227 + 867 = 71094
Step 83: 71094 + 867 = 71961
Step 84: 71961 + 867 = 72828
Step 85: 72828 + 867 = 73695
Step 86: 73695 + 867 = 74562
Step 87: 74562 + 867 = 75429
Step 88: 75429 + 867 = 76296
Step 89: 76296 + 867 = 77163
Step 90: 77163 + 867 = 78030
Step 91: 78030 + 867 = 78897
Step 92: 78897 + 867 = 79764
Step 93: 79764 + 867 = 80631
Step 94: 80631 + 867 = 81498
Step 95: 81498 + 867 = 82365
Step 96: 82365 + 867 = 83232
Step 97: 83232 + 867 = 84099
Step 98: 84099 + 867 = 84966
Step 99: 84966 + 867 = 85833
Step 100: 85833 + 867 = 86700
Step 101: 86700 + 867 = 87567
Step 102: 87567 + 867 = 88434
Step 103: 88434 + 867 = 89301
Step 104: 89301 + 867 = 90168
Step 105: 90168 + 867 = 91035
Step 106: 91035 + 867 = 91902
Step 107: 91902 + 867 = 92769
Step 108: 92769 + 867 = 93636
Step 109: 93636 + 867 = 94503
Step 110: 94503 + 867 = 95370
Step 111: 95370 + 867 = 96237
Step 112: 96237 + 867 = 97104
Step 113: 97104 + 867 = 97971
Step 114: 97971 + 867 = 98838
Step 115: 98838 + 867 = 99705
Step 116: 99705 + 867 = 100572
Step 117: 100572 + 867 = 101439
Step 118: 101439 + 867 = 102306
Step 119: 102306 + 867 = 103173
Step 120: 103173 + 867 = 104040
Step 121: 104040 + 867 = 104907
Step 122: 104907 + 867 = 105774
Step 123: 105774 + 867 = 106641
Step 124: 106641 + 867 = 107508
Step 125: 107508 + 867 = 108375
Step 126: 108375 + 867 = 109242
Step 127: 109242 + 867 = 110109
Step 128: 110109 + 867 = 110976
Step 129: 110976 + 867 = 111843
Step 130: 111843 + 867 = 112710
Step 131: 112710 + 867 = 113577
Step 132: 113577 + 867 = 114444
Step 133: 114444 + 867 = 115311
Step 134: 115311 + 867 = 116178
Step 135: 116178 + 867 = 117045
Step 136: 117045 + 867 = 117912
Step 137: 117912 + 867 = 118779
Step 138: 118779 + 867 = 119646
Step 139: 119646 + 867 = 120513
Step 140: 120513 + 867 = 121380
Step 141: 121380 + 867 = 122247
Step 142: 122247 + 867 = 123114
Step 143: 123114 + 867 = 123981
Step 144: 123981 + 867 = 124848
Step 145: 124848 + 867 = 125715
Step 146: 125715 + 867 = 126582
Step 147: 126582 + 867 = 127449
Step 148: 127449 + 867 = 128316
Step 149: 128316 + 867 = 129183
Step 150: 129183 + 867 = 130050
Step 151: 130050 + 867 = 130917
Step 152: 130917 + 867 = 131784
Step 153: 131784 + 867 = 132651
Step 154: 132651 + 867 = 133518
Step 155: 133518 + 867 = 134385
Step 156: 134385 + 867 = 135252
Step 157: 135252 + 867 = 136119
Step 158: 136119 + 867 = 136986
Step 159: 136986 + 867 = 137853
Step 160: 137853 + 867 = 138720
Step 161: 138720 + 867 = 139587
Step 162: 139587 + 867 = 140454
Step 163: 140454 + 867 = 141321
Step 164: 141321 + 867 = 142188
Step 165: 142188 + 867 = 143055
Step 166: 143055 + 867 = 143922
Step 167: 143922 + 867 = 144789
Step 168: 144789 + 867 = 145656
Step 169: 145656 + 867 = 146523
Step 170: 146523 + 867 = 147390
Step 171: 147390 + 867 = 148257
Step 172: 148257 + 867 = 149124
Step 173: 149124 + 867 = 149991
Step 174: 149991 + 867 = 150858
Step 175: 150858 + 867 = 151725
Step 176: 151725 + 867 = 152592
Step 177: 152592 + 867 = 153459
Step 178: 153459 + 867 = 154326
Step 179: 154326 + 867 = 155193
Step 180: 155193 + 867 = 156060
Step 181: 156060 + 867 = 156927
Step 182: 156927 + 867 = 157794
Step 183: 157794 + 867 = 158661
Step 184: 158661 + 867 = 159528
Step 185: 159528 + 867 = 160395
Step 186: 160395 + 867 = 161262
Step 187: 161262 + 867 = 162129
Step 188: 162129 + 867 = 162996
Step 189: 162996 + 867 = 163863
Step 190: 163863 + 867 = 164730
Step 191: 164730 + 867 = 165597
Step 192: 165597 + 867 = 166464
Step 193: 166464 + 867 = 167331
Step 194: 167331 + 867 = 168198
Step 195: 168198 + 867 = 169065
Step 196: 169065 + 867 = 169932
Step 197: 169932 + 867 = 170799
Step 198: 170799 + 867 = 171666
Step 199: 171666 + 867 = 172533
Step 200: 172533 + 867 = 173400
Step 201: 173400 + 867 = 174267
Step 202: 174267 + 867 = 175134
Step 203: 175134 + 867 = 176001
Step 204: 176001 + 867 = 176868
Step 205: 176868 + 867 = 177735
Step 206: 177735 + 867 = 178602
Step 207: 178602 + 867 = 179469
Step 208: 179469 + 867 = 180336
Step 209: 180336 + 867 = 181203
Step 210: 181203 + 867 = 182070
Step 211: 182070 + 867 = 182937
Step 212: 182937 + 867 = 183804
Step 213: 183804 + 867 = 184671
Step 214: 184671 + 867 = 185538
Step 215: 185538 + 867 = 186405
Step 216: 186405 + 867 = 187272
Step 217: 187272 + 867 = 188139
Step 218: 188139 + 867 = 189006
Step 219: 189006 + 867 = 189873
Step 220: 189873 + 867 = 190740
Step 221: 190740 + 867 = 191607
Step 222: 191607 + 867 = 192474
Step 223: 192474 + 867 = 193341
Step 224: 193341 + 867 = 194208
Step 225: 194208 + 867 = 195075
Step 226: 195075 + 867 = 195942
Step 227: 195942 + 867 = 196809
Step 228: 196809 + 867 = 197676
Step 229: 197676 + 867 = 198543
Step 230: 198543 + 867 = 199410
Step 231: 199410 + 867 = 200277
Step 232: 200277 + 867 = 201144
Step 233: 201144 + 867 = 202011
Step 234: 202011 + 867 = 202878
Step 235: 202878 + 867 = 203745
Step 236: 203745 + 867 = 204612
Step 237: 204612 + 867 = 205479
Step 238: 205479 + 867 = 206346
Step 239: 206346 + 867 = 207213
Step 240: 207213 + 867 = 208080
Step 241: 208080 + 867 = 208947
Step 242: 208947 + 867 = 209814
Step 243: 209814 + 867 = 210681
Step 244: 210681 + 867 = 211548
Step 245: 211548 + 867 = 212415
Step 246: 212415 + 867 = 213282
Step 247: 213282 + 867 = 214149
Step 248: 214149 + 867 = 215016
Step 249: 215016 + 867 = 215883
Step 250: 215883 + 867 = 216750
Step 251: 216750 + 867 = 217617
Step 252: 217617 + 867 = 218484
Step 253: 218484 + 867 = 219351
Step 254: 219351 + 867 = 220218
Step 255: 220218 + 867 = 221085
Step 256: 221085 + 867 = 221952
Step 257: 221952 + 867 = 222819
Step 258: 222819 + 867 = 223686
Step 259: 223686 + 867 = 224553
Step 260: 224553 + 867 = 225420
Step 261: 225420 + 867 = 226287
Step 262: 226287 + 867 = 227154
Step 263: 227154 + 867 = 228021
Step 264: 228021 + 867 = 228888
Step 265: 228888 + 867 = 229755
Step 266: 229755 + 867 = 230622
Step 267: 230622 + 867 = 231489
Step 268: 231489 + 867 = 232356
Step 269: 232356 + 867 = 233223
Step 270: 233223 + 867 = 234090
Step 271: 234090 + 867 = 234957
Step 272: 234957 + 867 = 235824
Step 273: 235824 + 867 = 236691
Step 274: 236691 + 867 = 237558
Step 275: 237558 + 867 = 238425
Step 276: 238425 + 867 = 239292
Step 277: 239292 + 867 = 240159
Step 278: 240159 + 867 = 241026
Step 279: 241026 + 867 = 241893
Step 280: 241893 + 867 = 242760
Step 281: 242760 + 867 = 243627
Step 282: 243627 + 867 = 244494
Step 283: 244494 + 867 = 245361
Step 284: 245361 + 867 = 246228
Step 285: 246228 + 867 = 247095
Step 286: 247095 + 867 = 247962
Step 287: 247962 + 867 = 248829
Step 288: 248829 + 867 = 249696
Step 289: 249696 + 867 = 250563
Step 290: 250563 + 867 = 251430
Step 291: 251430 + 867 = 252297
Step 292: 252297 + 867 = 253164
Step 293: 253164 + 867 = 254031
Step 294: 254031 + 867 = 254898
Step 295: 254898 + 867 = 255765
Step 296: 255765 + 867 = 256632
Step 297: 256632 + 867 = 257499
Step 298: 257499 + 867 = 258366
Step 299: 258366 + 867 = 259233
Step 300: 259233 + 867 = 260100
Step 301: 260100 + 867 = 260967
Step 302: 260967 + 867 = 261834
Step 303: 261834 + 867 = 262701
Step 304: 262701 + 867 = 263568
Step 305: 263568 + 867 = 264435
Step 306: 264435 + 867 = 265302
Step 307: 265302 + 867 = 266169
Step 308: 266169 + 867 = 267036
Step 309: 267036 + 867 = 267903
Step 310: 267903 + 867 = 268770
Step 311: 268770 + 867 = 269637
Step 312: 269637 + 867 = 270504
Step 313: 270504 + 867 = 271371
Step 314: 271371 + 867 = 272238
Step 315: 272238 + 867 = 273105
Step 316: 273105 + 867 = 273972
Step 317: 273972 + 867 = 274839
Step 318: 274839 + 867 = 275706
Step 319: 275706 + 867 = 276573
Step 320: 276573 + 867 = 277440
Step 321: 277440 + 867 = 278307
Step 322: 278307 + 867 = 279174
Step 323: 279174 + 867 = 280041
Step 324: 280041 + 867 = 280908
Step 325: 280908 + 867 = 281775
Step 326: 281775 + 867 = 282642
Step 327: 282642 + 867 = 283509
Step 328: 283509 + 867 = 284376
Step 329: 284376 + 867 = 285243
Step 330: 285243 + 867 = 286110
Step 331: 286110 + 867 = 286977
Step 332: 286977 + 867 = 287844
Step 333: 287844 + 867 = 288711
Step 334: 288711 + 867 = 289578
Step 335: 289578 + 867 = 290445
Step 336: 290445 + 867 = 291312
Step 337: 291312 + 867 = 292179
Step 338: 292179 + 867 = 293046
Step 339: 293046 + 867 = 293913
Step 340: 293913 + 867 = 294780
Step 341: 294780 + 867 = 295647
Step 342: 295647 + 867 = 296514
Step 343: 296514 + 867 = 297381
Step 344: 297381 + 867 = 298248
Step 345: 298248 + 867 = 299115
Step 346: 299115 + 867 = 299982
Step 347: 299982 + 867 = 300849
Step 348: 300849 + 867 = 301716
Step 349: 301716 + 867 = 302583
Step 350: 302583 + 867 = 303450
Step 351: 303450 + 867 = 304317
Step 352: 304317 + 867 = 305184
Step 353: 305184 + 867 = 306051
Step 354: 306051 + 867 = 306918
Step 355: 306918 + 867 = 307785
Step 356: 307785 + 867 = 308652
Step 357: 308652 + 867 = 309519
Step 358: 309519 + 867 = 310386
Step 359: 310386 + 867 = 311253
Step 360: 311253 + 867 = 312120
Step 361: 312120 + 867 = 312987
Step 362: 312987 + 867 = 313854
Step 363: 313854 + 867 = 314721
Step 364: 314721 + 867 = 315588
Step 365: 315588 + 867 = 316455
Step 366: 316455 + 867 = 317322
Step 367: 317322 + 867 = 318189
Step 368: 318189 + 867 = 319056
Step 369: 319056 + 867 = 319923
Step 370: 319923 + 867 = 320790
Step 371: 320790 + 867 = 321657
Step 372: 321657 + 867 = 322524
Step 373: 322524 + 867 = 323391
Step 374: 323391 + 867 = 324258
Step 375: 324258 + 867 = 325125
Step 376: 325125 + 867 = 325992
Step 377: 325992 + 867 = 326859
Step 378: 326859 + 867 = 327726
Step 379: 327726 + 867 = 328593
Step 380: 328593 + 867 = 329460
Step 381: 329460 + 867 = 330327
Step 382: 330327 + 867 = 331194
Step 383: 331194 + 867 = 332061
Step 384: 332061 + 867 = 332928
Step 385: 332928 + 867 = 333795
Step 386: 333795 + 867 = 334662
Step 387: 334662 + 867 = 335529
Step 388: 335529 + 867 = 336396
Step 389: 336396 + 867 = 337263
Step 390: 337263 + 867 = 338130
Step 391: 338130 + 867 = 338997
Step 392: 338997 + 867 = 339864
Step 393: 339864 + 867 = 340731
Step 394: 340731 + 867 = 341598
Step 395: 341598 + 867 = 342465
Step 396: 342465 + 867 = 343332
Step 397: 343332 + 867 = 344199
Step 398: 344199 + 867 = 345066
Step 399: 345066 + 867 = 345933
Step 400: 345933 + 867 = 346800
Step 401: 346800 + 867 = 347667
Step 402: 347667 + 867 = 348534
Step 403: 348534 + 867 = 349401
Step 404: 349401 + 867 = 350268
Step 405: 350268 + 867 = 351135
Step 406: 351135 + 867 = 352002
Step 407: 352002 + 867 = 352869
Step 408: 352869 + 867 = 353736
Step 409: 353736 + 867 = 354603
Step 410: 354603 + 867 = 355470
Step 411: 355470 + 867 = 356337
Step 412: 356337 + 867 = 357204
Step 413: 357204 + 867 = 358071
Step 414: 358071 + 867 = 358938
Step 415: 358938 + 867 = 359805
Step 416: 359805 + 867 = 360672
Step 417: 360672 + 867 = 361539
Step 418: 361539 + 867 = 362406
Step 419: 362406 + 867 = 363273
Step 420: 363273 + 867 = 364140
Step 421: 364140 + 867 = 365007
Step 422: 365007 + 867 = 365874
Step 423: 365874 + 867 = 366741
Step 424: 366741 + 867 = 367608
Step 425: 367608 + 867 = 368475
Step 426: 368475 + 867 = 369342
Step 427: 369342 + 867 = 370209
Step 428: 370209 + 867 = 371076

So, 867*428 = 371076