Let's get this math done. We have 858 and we're going to multiply it by 376. This is the same as taking 858 and adding it to itself 376 times.
Step 1: 0 + 858 = 858
Step 2: 858 + 858 = 1716
Step 3: 1716 + 858 = 2574
Step 4: 2574 + 858 = 3432
Step 5: 3432 + 858 = 4290
Step 6: 4290 + 858 = 5148
Step 7: 5148 + 858 = 6006
Step 8: 6006 + 858 = 6864
Step 9: 6864 + 858 = 7722
Step 10: 7722 + 858 = 8580
Step 11: 8580 + 858 = 9438
Step 12: 9438 + 858 = 10296
Step 13: 10296 + 858 = 11154
Step 14: 11154 + 858 = 12012
Step 15: 12012 + 858 = 12870
Step 16: 12870 + 858 = 13728
Step 17: 13728 + 858 = 14586
Step 18: 14586 + 858 = 15444
Step 19: 15444 + 858 = 16302
Step 20: 16302 + 858 = 17160
Step 21: 17160 + 858 = 18018
Step 22: 18018 + 858 = 18876
Step 23: 18876 + 858 = 19734
Step 24: 19734 + 858 = 20592
Step 25: 20592 + 858 = 21450
Step 26: 21450 + 858 = 22308
Step 27: 22308 + 858 = 23166
Step 28: 23166 + 858 = 24024
Step 29: 24024 + 858 = 24882
Step 30: 24882 + 858 = 25740
Step 31: 25740 + 858 = 26598
Step 32: 26598 + 858 = 27456
Step 33: 27456 + 858 = 28314
Step 34: 28314 + 858 = 29172
Step 35: 29172 + 858 = 30030
Step 36: 30030 + 858 = 30888
Step 37: 30888 + 858 = 31746
Step 38: 31746 + 858 = 32604
Step 39: 32604 + 858 = 33462
Step 40: 33462 + 858 = 34320
Step 41: 34320 + 858 = 35178
Step 42: 35178 + 858 = 36036
Step 43: 36036 + 858 = 36894
Step 44: 36894 + 858 = 37752
Step 45: 37752 + 858 = 38610
Step 46: 38610 + 858 = 39468
Step 47: 39468 + 858 = 40326
Step 48: 40326 + 858 = 41184
Step 49: 41184 + 858 = 42042
Step 50: 42042 + 858 = 42900
Step 51: 42900 + 858 = 43758
Step 52: 43758 + 858 = 44616
Step 53: 44616 + 858 = 45474
Step 54: 45474 + 858 = 46332
Step 55: 46332 + 858 = 47190
Step 56: 47190 + 858 = 48048
Step 57: 48048 + 858 = 48906
Step 58: 48906 + 858 = 49764
Step 59: 49764 + 858 = 50622
Step 60: 50622 + 858 = 51480
Step 61: 51480 + 858 = 52338
Step 62: 52338 + 858 = 53196
Step 63: 53196 + 858 = 54054
Step 64: 54054 + 858 = 54912
Step 65: 54912 + 858 = 55770
Step 66: 55770 + 858 = 56628
Step 67: 56628 + 858 = 57486
Step 68: 57486 + 858 = 58344
Step 69: 58344 + 858 = 59202
Step 70: 59202 + 858 = 60060
Step 71: 60060 + 858 = 60918
Step 72: 60918 + 858 = 61776
Step 73: 61776 + 858 = 62634
Step 74: 62634 + 858 = 63492
Step 75: 63492 + 858 = 64350
Step 76: 64350 + 858 = 65208
Step 77: 65208 + 858 = 66066
Step 78: 66066 + 858 = 66924
Step 79: 66924 + 858 = 67782
Step 80: 67782 + 858 = 68640
Step 81: 68640 + 858 = 69498
Step 82: 69498 + 858 = 70356
Step 83: 70356 + 858 = 71214
Step 84: 71214 + 858 = 72072
Step 85: 72072 + 858 = 72930
Step 86: 72930 + 858 = 73788
Step 87: 73788 + 858 = 74646
Step 88: 74646 + 858 = 75504
Step 89: 75504 + 858 = 76362
Step 90: 76362 + 858 = 77220
Step 91: 77220 + 858 = 78078
Step 92: 78078 + 858 = 78936
Step 93: 78936 + 858 = 79794
Step 94: 79794 + 858 = 80652
Step 95: 80652 + 858 = 81510
Step 96: 81510 + 858 = 82368
Step 97: 82368 + 858 = 83226
Step 98: 83226 + 858 = 84084
Step 99: 84084 + 858 = 84942
Step 100: 84942 + 858 = 85800
Step 101: 85800 + 858 = 86658
Step 102: 86658 + 858 = 87516
Step 103: 87516 + 858 = 88374
Step 104: 88374 + 858 = 89232
Step 105: 89232 + 858 = 90090
Step 106: 90090 + 858 = 90948
Step 107: 90948 + 858 = 91806
Step 108: 91806 + 858 = 92664
Step 109: 92664 + 858 = 93522
Step 110: 93522 + 858 = 94380
Step 111: 94380 + 858 = 95238
Step 112: 95238 + 858 = 96096
Step 113: 96096 + 858 = 96954
Step 114: 96954 + 858 = 97812
Step 115: 97812 + 858 = 98670
Step 116: 98670 + 858 = 99528
Step 117: 99528 + 858 = 100386
Step 118: 100386 + 858 = 101244
Step 119: 101244 + 858 = 102102
Step 120: 102102 + 858 = 102960
Step 121: 102960 + 858 = 103818
Step 122: 103818 + 858 = 104676
Step 123: 104676 + 858 = 105534
Step 124: 105534 + 858 = 106392
Step 125: 106392 + 858 = 107250
Step 126: 107250 + 858 = 108108
Step 127: 108108 + 858 = 108966
Step 128: 108966 + 858 = 109824
Step 129: 109824 + 858 = 110682
Step 130: 110682 + 858 = 111540
Step 131: 111540 + 858 = 112398
Step 132: 112398 + 858 = 113256
Step 133: 113256 + 858 = 114114
Step 134: 114114 + 858 = 114972
Step 135: 114972 + 858 = 115830
Step 136: 115830 + 858 = 116688
Step 137: 116688 + 858 = 117546
Step 138: 117546 + 858 = 118404
Step 139: 118404 + 858 = 119262
Step 140: 119262 + 858 = 120120
Step 141: 120120 + 858 = 120978
Step 142: 120978 + 858 = 121836
Step 143: 121836 + 858 = 122694
Step 144: 122694 + 858 = 123552
Step 145: 123552 + 858 = 124410
Step 146: 124410 + 858 = 125268
Step 147: 125268 + 858 = 126126
Step 148: 126126 + 858 = 126984
Step 149: 126984 + 858 = 127842
Step 150: 127842 + 858 = 128700
Step 151: 128700 + 858 = 129558
Step 152: 129558 + 858 = 130416
Step 153: 130416 + 858 = 131274
Step 154: 131274 + 858 = 132132
Step 155: 132132 + 858 = 132990
Step 156: 132990 + 858 = 133848
Step 157: 133848 + 858 = 134706
Step 158: 134706 + 858 = 135564
Step 159: 135564 + 858 = 136422
Step 160: 136422 + 858 = 137280
Step 161: 137280 + 858 = 138138
Step 162: 138138 + 858 = 138996
Step 163: 138996 + 858 = 139854
Step 164: 139854 + 858 = 140712
Step 165: 140712 + 858 = 141570
Step 166: 141570 + 858 = 142428
Step 167: 142428 + 858 = 143286
Step 168: 143286 + 858 = 144144
Step 169: 144144 + 858 = 145002
Step 170: 145002 + 858 = 145860
Step 171: 145860 + 858 = 146718
Step 172: 146718 + 858 = 147576
Step 173: 147576 + 858 = 148434
Step 174: 148434 + 858 = 149292
Step 175: 149292 + 858 = 150150
Step 176: 150150 + 858 = 151008
Step 177: 151008 + 858 = 151866
Step 178: 151866 + 858 = 152724
Step 179: 152724 + 858 = 153582
Step 180: 153582 + 858 = 154440
Step 181: 154440 + 858 = 155298
Step 182: 155298 + 858 = 156156
Step 183: 156156 + 858 = 157014
Step 184: 157014 + 858 = 157872
Step 185: 157872 + 858 = 158730
Step 186: 158730 + 858 = 159588
Step 187: 159588 + 858 = 160446
Step 188: 160446 + 858 = 161304
Step 189: 161304 + 858 = 162162
Step 190: 162162 + 858 = 163020
Step 191: 163020 + 858 = 163878
Step 192: 163878 + 858 = 164736
Step 193: 164736 + 858 = 165594
Step 194: 165594 + 858 = 166452
Step 195: 166452 + 858 = 167310
Step 196: 167310 + 858 = 168168
Step 197: 168168 + 858 = 169026
Step 198: 169026 + 858 = 169884
Step 199: 169884 + 858 = 170742
Step 200: 170742 + 858 = 171600
Step 201: 171600 + 858 = 172458
Step 202: 172458 + 858 = 173316
Step 203: 173316 + 858 = 174174
Step 204: 174174 + 858 = 175032
Step 205: 175032 + 858 = 175890
Step 206: 175890 + 858 = 176748
Step 207: 176748 + 858 = 177606
Step 208: 177606 + 858 = 178464
Step 209: 178464 + 858 = 179322
Step 210: 179322 + 858 = 180180
Step 211: 180180 + 858 = 181038
Step 212: 181038 + 858 = 181896
Step 213: 181896 + 858 = 182754
Step 214: 182754 + 858 = 183612
Step 215: 183612 + 858 = 184470
Step 216: 184470 + 858 = 185328
Step 217: 185328 + 858 = 186186
Step 218: 186186 + 858 = 187044
Step 219: 187044 + 858 = 187902
Step 220: 187902 + 858 = 188760
Step 221: 188760 + 858 = 189618
Step 222: 189618 + 858 = 190476
Step 223: 190476 + 858 = 191334
Step 224: 191334 + 858 = 192192
Step 225: 192192 + 858 = 193050
Step 226: 193050 + 858 = 193908
Step 227: 193908 + 858 = 194766
Step 228: 194766 + 858 = 195624
Step 229: 195624 + 858 = 196482
Step 230: 196482 + 858 = 197340
Step 231: 197340 + 858 = 198198
Step 232: 198198 + 858 = 199056
Step 233: 199056 + 858 = 199914
Step 234: 199914 + 858 = 200772
Step 235: 200772 + 858 = 201630
Step 236: 201630 + 858 = 202488
Step 237: 202488 + 858 = 203346
Step 238: 203346 + 858 = 204204
Step 239: 204204 + 858 = 205062
Step 240: 205062 + 858 = 205920
Step 241: 205920 + 858 = 206778
Step 242: 206778 + 858 = 207636
Step 243: 207636 + 858 = 208494
Step 244: 208494 + 858 = 209352
Step 245: 209352 + 858 = 210210
Step 246: 210210 + 858 = 211068
Step 247: 211068 + 858 = 211926
Step 248: 211926 + 858 = 212784
Step 249: 212784 + 858 = 213642
Step 250: 213642 + 858 = 214500
Step 251: 214500 + 858 = 215358
Step 252: 215358 + 858 = 216216
Step 253: 216216 + 858 = 217074
Step 254: 217074 + 858 = 217932
Step 255: 217932 + 858 = 218790
Step 256: 218790 + 858 = 219648
Step 257: 219648 + 858 = 220506
Step 258: 220506 + 858 = 221364
Step 259: 221364 + 858 = 222222
Step 260: 222222 + 858 = 223080
Step 261: 223080 + 858 = 223938
Step 262: 223938 + 858 = 224796
Step 263: 224796 + 858 = 225654
Step 264: 225654 + 858 = 226512
Step 265: 226512 + 858 = 227370
Step 266: 227370 + 858 = 228228
Step 267: 228228 + 858 = 229086
Step 268: 229086 + 858 = 229944
Step 269: 229944 + 858 = 230802
Step 270: 230802 + 858 = 231660
Step 271: 231660 + 858 = 232518
Step 272: 232518 + 858 = 233376
Step 273: 233376 + 858 = 234234
Step 274: 234234 + 858 = 235092
Step 275: 235092 + 858 = 235950
Step 276: 235950 + 858 = 236808
Step 277: 236808 + 858 = 237666
Step 278: 237666 + 858 = 238524
Step 279: 238524 + 858 = 239382
Step 280: 239382 + 858 = 240240
Step 281: 240240 + 858 = 241098
Step 282: 241098 + 858 = 241956
Step 283: 241956 + 858 = 242814
Step 284: 242814 + 858 = 243672
Step 285: 243672 + 858 = 244530
Step 286: 244530 + 858 = 245388
Step 287: 245388 + 858 = 246246
Step 288: 246246 + 858 = 247104
Step 289: 247104 + 858 = 247962
Step 290: 247962 + 858 = 248820
Step 291: 248820 + 858 = 249678
Step 292: 249678 + 858 = 250536
Step 293: 250536 + 858 = 251394
Step 294: 251394 + 858 = 252252
Step 295: 252252 + 858 = 253110
Step 296: 253110 + 858 = 253968
Step 297: 253968 + 858 = 254826
Step 298: 254826 + 858 = 255684
Step 299: 255684 + 858 = 256542
Step 300: 256542 + 858 = 257400
Step 301: 257400 + 858 = 258258
Step 302: 258258 + 858 = 259116
Step 303: 259116 + 858 = 259974
Step 304: 259974 + 858 = 260832
Step 305: 260832 + 858 = 261690
Step 306: 261690 + 858 = 262548
Step 307: 262548 + 858 = 263406
Step 308: 263406 + 858 = 264264
Step 309: 264264 + 858 = 265122
Step 310: 265122 + 858 = 265980
Step 311: 265980 + 858 = 266838
Step 312: 266838 + 858 = 267696
Step 313: 267696 + 858 = 268554
Step 314: 268554 + 858 = 269412
Step 315: 269412 + 858 = 270270
Step 316: 270270 + 858 = 271128
Step 317: 271128 + 858 = 271986
Step 318: 271986 + 858 = 272844
Step 319: 272844 + 858 = 273702
Step 320: 273702 + 858 = 274560
Step 321: 274560 + 858 = 275418
Step 322: 275418 + 858 = 276276
Step 323: 276276 + 858 = 277134
Step 324: 277134 + 858 = 277992
Step 325: 277992 + 858 = 278850
Step 326: 278850 + 858 = 279708
Step 327: 279708 + 858 = 280566
Step 328: 280566 + 858 = 281424
Step 329: 281424 + 858 = 282282
Step 330: 282282 + 858 = 283140
Step 331: 283140 + 858 = 283998
Step 332: 283998 + 858 = 284856
Step 333: 284856 + 858 = 285714
Step 334: 285714 + 858 = 286572
Step 335: 286572 + 858 = 287430
Step 336: 287430 + 858 = 288288
Step 337: 288288 + 858 = 289146
Step 338: 289146 + 858 = 290004
Step 339: 290004 + 858 = 290862
Step 340: 290862 + 858 = 291720
Step 341: 291720 + 858 = 292578
Step 342: 292578 + 858 = 293436
Step 343: 293436 + 858 = 294294
Step 344: 294294 + 858 = 295152
Step 345: 295152 + 858 = 296010
Step 346: 296010 + 858 = 296868
Step 347: 296868 + 858 = 297726
Step 348: 297726 + 858 = 298584
Step 349: 298584 + 858 = 299442
Step 350: 299442 + 858 = 300300
Step 351: 300300 + 858 = 301158
Step 352: 301158 + 858 = 302016
Step 353: 302016 + 858 = 302874
Step 354: 302874 + 858 = 303732
Step 355: 303732 + 858 = 304590
Step 356: 304590 + 858 = 305448
Step 357: 305448 + 858 = 306306
Step 358: 306306 + 858 = 307164
Step 359: 307164 + 858 = 308022
Step 360: 308022 + 858 = 308880
Step 361: 308880 + 858 = 309738
Step 362: 309738 + 858 = 310596
Step 363: 310596 + 858 = 311454
Step 364: 311454 + 858 = 312312
Step 365: 312312 + 858 = 313170
Step 366: 313170 + 858 = 314028
Step 367: 314028 + 858 = 314886
Step 368: 314886 + 858 = 315744
Step 369: 315744 + 858 = 316602
Step 370: 316602 + 858 = 317460
Step 371: 317460 + 858 = 318318
Step 372: 318318 + 858 = 319176
Step 373: 319176 + 858 = 320034
Step 374: 320034 + 858 = 320892
Step 375: 320892 + 858 = 321750
Step 376: 321750 + 858 = 322608

So, 858*376 = 322608