Alright, let's solve this math problem step by step. First, we have the number 812. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 455. So, we're going to take the number 812 and add it to itself 455 times.
Step 1: 0 + 812 = 812
Step 2: 812 + 812 = 1624
Step 3: 1624 + 812 = 2436
Step 4: 2436 + 812 = 3248
Step 5: 3248 + 812 = 4060
Step 6: 4060 + 812 = 4872
Step 7: 4872 + 812 = 5684
Step 8: 5684 + 812 = 6496
Step 9: 6496 + 812 = 7308
Step 10: 7308 + 812 = 8120
Step 11: 8120 + 812 = 8932
Step 12: 8932 + 812 = 9744
Step 13: 9744 + 812 = 10556
Step 14: 10556 + 812 = 11368
Step 15: 11368 + 812 = 12180
Step 16: 12180 + 812 = 12992
Step 17: 12992 + 812 = 13804
Step 18: 13804 + 812 = 14616
Step 19: 14616 + 812 = 15428
Step 20: 15428 + 812 = 16240
Step 21: 16240 + 812 = 17052
Step 22: 17052 + 812 = 17864
Step 23: 17864 + 812 = 18676
Step 24: 18676 + 812 = 19488
Step 25: 19488 + 812 = 20300
Step 26: 20300 + 812 = 21112
Step 27: 21112 + 812 = 21924
Step 28: 21924 + 812 = 22736
Step 29: 22736 + 812 = 23548
Step 30: 23548 + 812 = 24360
Step 31: 24360 + 812 = 25172
Step 32: 25172 + 812 = 25984
Step 33: 25984 + 812 = 26796
Step 34: 26796 + 812 = 27608
Step 35: 27608 + 812 = 28420
Step 36: 28420 + 812 = 29232
Step 37: 29232 + 812 = 30044
Step 38: 30044 + 812 = 30856
Step 39: 30856 + 812 = 31668
Step 40: 31668 + 812 = 32480
Step 41: 32480 + 812 = 33292
Step 42: 33292 + 812 = 34104
Step 43: 34104 + 812 = 34916
Step 44: 34916 + 812 = 35728
Step 45: 35728 + 812 = 36540
Step 46: 36540 + 812 = 37352
Step 47: 37352 + 812 = 38164
Step 48: 38164 + 812 = 38976
Step 49: 38976 + 812 = 39788
Step 50: 39788 + 812 = 40600
Step 51: 40600 + 812 = 41412
Step 52: 41412 + 812 = 42224
Step 53: 42224 + 812 = 43036
Step 54: 43036 + 812 = 43848
Step 55: 43848 + 812 = 44660
Step 56: 44660 + 812 = 45472
Step 57: 45472 + 812 = 46284
Step 58: 46284 + 812 = 47096
Step 59: 47096 + 812 = 47908
Step 60: 47908 + 812 = 48720
Step 61: 48720 + 812 = 49532
Step 62: 49532 + 812 = 50344
Step 63: 50344 + 812 = 51156
Step 64: 51156 + 812 = 51968
Step 65: 51968 + 812 = 52780
Step 66: 52780 + 812 = 53592
Step 67: 53592 + 812 = 54404
Step 68: 54404 + 812 = 55216
Step 69: 55216 + 812 = 56028
Step 70: 56028 + 812 = 56840
Step 71: 56840 + 812 = 57652
Step 72: 57652 + 812 = 58464
Step 73: 58464 + 812 = 59276
Step 74: 59276 + 812 = 60088
Step 75: 60088 + 812 = 60900
Step 76: 60900 + 812 = 61712
Step 77: 61712 + 812 = 62524
Step 78: 62524 + 812 = 63336
Step 79: 63336 + 812 = 64148
Step 80: 64148 + 812 = 64960
Step 81: 64960 + 812 = 65772
Step 82: 65772 + 812 = 66584
Step 83: 66584 + 812 = 67396
Step 84: 67396 + 812 = 68208
Step 85: 68208 + 812 = 69020
Step 86: 69020 + 812 = 69832
Step 87: 69832 + 812 = 70644
Step 88: 70644 + 812 = 71456
Step 89: 71456 + 812 = 72268
Step 90: 72268 + 812 = 73080
Step 91: 73080 + 812 = 73892
Step 92: 73892 + 812 = 74704
Step 93: 74704 + 812 = 75516
Step 94: 75516 + 812 = 76328
Step 95: 76328 + 812 = 77140
Step 96: 77140 + 812 = 77952
Step 97: 77952 + 812 = 78764
Step 98: 78764 + 812 = 79576
Step 99: 79576 + 812 = 80388
Step 100: 80388 + 812 = 81200
Step 101: 81200 + 812 = 82012
Step 102: 82012 + 812 = 82824
Step 103: 82824 + 812 = 83636
Step 104: 83636 + 812 = 84448
Step 105: 84448 + 812 = 85260
Step 106: 85260 + 812 = 86072
Step 107: 86072 + 812 = 86884
Step 108: 86884 + 812 = 87696
Step 109: 87696 + 812 = 88508
Step 110: 88508 + 812 = 89320
Step 111: 89320 + 812 = 90132
Step 112: 90132 + 812 = 90944
Step 113: 90944 + 812 = 91756
Step 114: 91756 + 812 = 92568
Step 115: 92568 + 812 = 93380
Step 116: 93380 + 812 = 94192
Step 117: 94192 + 812 = 95004
Step 118: 95004 + 812 = 95816
Step 119: 95816 + 812 = 96628
Step 120: 96628 + 812 = 97440
Step 121: 97440 + 812 = 98252
Step 122: 98252 + 812 = 99064
Step 123: 99064 + 812 = 99876
Step 124: 99876 + 812 = 100688
Step 125: 100688 + 812 = 101500
Step 126: 101500 + 812 = 102312
Step 127: 102312 + 812 = 103124
Step 128: 103124 + 812 = 103936
Step 129: 103936 + 812 = 104748
Step 130: 104748 + 812 = 105560
Step 131: 105560 + 812 = 106372
Step 132: 106372 + 812 = 107184
Step 133: 107184 + 812 = 107996
Step 134: 107996 + 812 = 108808
Step 135: 108808 + 812 = 109620
Step 136: 109620 + 812 = 110432
Step 137: 110432 + 812 = 111244
Step 138: 111244 + 812 = 112056
Step 139: 112056 + 812 = 112868
Step 140: 112868 + 812 = 113680
Step 141: 113680 + 812 = 114492
Step 142: 114492 + 812 = 115304
Step 143: 115304 + 812 = 116116
Step 144: 116116 + 812 = 116928
Step 145: 116928 + 812 = 117740
Step 146: 117740 + 812 = 118552
Step 147: 118552 + 812 = 119364
Step 148: 119364 + 812 = 120176
Step 149: 120176 + 812 = 120988
Step 150: 120988 + 812 = 121800
Step 151: 121800 + 812 = 122612
Step 152: 122612 + 812 = 123424
Step 153: 123424 + 812 = 124236
Step 154: 124236 + 812 = 125048
Step 155: 125048 + 812 = 125860
Step 156: 125860 + 812 = 126672
Step 157: 126672 + 812 = 127484
Step 158: 127484 + 812 = 128296
Step 159: 128296 + 812 = 129108
Step 160: 129108 + 812 = 129920
Step 161: 129920 + 812 = 130732
Step 162: 130732 + 812 = 131544
Step 163: 131544 + 812 = 132356
Step 164: 132356 + 812 = 133168
Step 165: 133168 + 812 = 133980
Step 166: 133980 + 812 = 134792
Step 167: 134792 + 812 = 135604
Step 168: 135604 + 812 = 136416
Step 169: 136416 + 812 = 137228
Step 170: 137228 + 812 = 138040
Step 171: 138040 + 812 = 138852
Step 172: 138852 + 812 = 139664
Step 173: 139664 + 812 = 140476
Step 174: 140476 + 812 = 141288
Step 175: 141288 + 812 = 142100
Step 176: 142100 + 812 = 142912
Step 177: 142912 + 812 = 143724
Step 178: 143724 + 812 = 144536
Step 179: 144536 + 812 = 145348
Step 180: 145348 + 812 = 146160
Step 181: 146160 + 812 = 146972
Step 182: 146972 + 812 = 147784
Step 183: 147784 + 812 = 148596
Step 184: 148596 + 812 = 149408
Step 185: 149408 + 812 = 150220
Step 186: 150220 + 812 = 151032
Step 187: 151032 + 812 = 151844
Step 188: 151844 + 812 = 152656
Step 189: 152656 + 812 = 153468
Step 190: 153468 + 812 = 154280
Step 191: 154280 + 812 = 155092
Step 192: 155092 + 812 = 155904
Step 193: 155904 + 812 = 156716
Step 194: 156716 + 812 = 157528
Step 195: 157528 + 812 = 158340
Step 196: 158340 + 812 = 159152
Step 197: 159152 + 812 = 159964
Step 198: 159964 + 812 = 160776
Step 199: 160776 + 812 = 161588
Step 200: 161588 + 812 = 162400
Step 201: 162400 + 812 = 163212
Step 202: 163212 + 812 = 164024
Step 203: 164024 + 812 = 164836
Step 204: 164836 + 812 = 165648
Step 205: 165648 + 812 = 166460
Step 206: 166460 + 812 = 167272
Step 207: 167272 + 812 = 168084
Step 208: 168084 + 812 = 168896
Step 209: 168896 + 812 = 169708
Step 210: 169708 + 812 = 170520
Step 211: 170520 + 812 = 171332
Step 212: 171332 + 812 = 172144
Step 213: 172144 + 812 = 172956
Step 214: 172956 + 812 = 173768
Step 215: 173768 + 812 = 174580
Step 216: 174580 + 812 = 175392
Step 217: 175392 + 812 = 176204
Step 218: 176204 + 812 = 177016
Step 219: 177016 + 812 = 177828
Step 220: 177828 + 812 = 178640
Step 221: 178640 + 812 = 179452
Step 222: 179452 + 812 = 180264
Step 223: 180264 + 812 = 181076
Step 224: 181076 + 812 = 181888
Step 225: 181888 + 812 = 182700
Step 226: 182700 + 812 = 183512
Step 227: 183512 + 812 = 184324
Step 228: 184324 + 812 = 185136
Step 229: 185136 + 812 = 185948
Step 230: 185948 + 812 = 186760
Step 231: 186760 + 812 = 187572
Step 232: 187572 + 812 = 188384
Step 233: 188384 + 812 = 189196
Step 234: 189196 + 812 = 190008
Step 235: 190008 + 812 = 190820
Step 236: 190820 + 812 = 191632
Step 237: 191632 + 812 = 192444
Step 238: 192444 + 812 = 193256
Step 239: 193256 + 812 = 194068
Step 240: 194068 + 812 = 194880
Step 241: 194880 + 812 = 195692
Step 242: 195692 + 812 = 196504
Step 243: 196504 + 812 = 197316
Step 244: 197316 + 812 = 198128
Step 245: 198128 + 812 = 198940
Step 246: 198940 + 812 = 199752
Step 247: 199752 + 812 = 200564
Step 248: 200564 + 812 = 201376
Step 249: 201376 + 812 = 202188
Step 250: 202188 + 812 = 203000
Step 251: 203000 + 812 = 203812
Step 252: 203812 + 812 = 204624
Step 253: 204624 + 812 = 205436
Step 254: 205436 + 812 = 206248
Step 255: 206248 + 812 = 207060
Step 256: 207060 + 812 = 207872
Step 257: 207872 + 812 = 208684
Step 258: 208684 + 812 = 209496
Step 259: 209496 + 812 = 210308
Step 260: 210308 + 812 = 211120
Step 261: 211120 + 812 = 211932
Step 262: 211932 + 812 = 212744
Step 263: 212744 + 812 = 213556
Step 264: 213556 + 812 = 214368
Step 265: 214368 + 812 = 215180
Step 266: 215180 + 812 = 215992
Step 267: 215992 + 812 = 216804
Step 268: 216804 + 812 = 217616
Step 269: 217616 + 812 = 218428
Step 270: 218428 + 812 = 219240
Step 271: 219240 + 812 = 220052
Step 272: 220052 + 812 = 220864
Step 273: 220864 + 812 = 221676
Step 274: 221676 + 812 = 222488
Step 275: 222488 + 812 = 223300
Step 276: 223300 + 812 = 224112
Step 277: 224112 + 812 = 224924
Step 278: 224924 + 812 = 225736
Step 279: 225736 + 812 = 226548
Step 280: 226548 + 812 = 227360
Step 281: 227360 + 812 = 228172
Step 282: 228172 + 812 = 228984
Step 283: 228984 + 812 = 229796
Step 284: 229796 + 812 = 230608
Step 285: 230608 + 812 = 231420
Step 286: 231420 + 812 = 232232
Step 287: 232232 + 812 = 233044
Step 288: 233044 + 812 = 233856
Step 289: 233856 + 812 = 234668
Step 290: 234668 + 812 = 235480
Step 291: 235480 + 812 = 236292
Step 292: 236292 + 812 = 237104
Step 293: 237104 + 812 = 237916
Step 294: 237916 + 812 = 238728
Step 295: 238728 + 812 = 239540
Step 296: 239540 + 812 = 240352
Step 297: 240352 + 812 = 241164
Step 298: 241164 + 812 = 241976
Step 299: 241976 + 812 = 242788
Step 300: 242788 + 812 = 243600
Step 301: 243600 + 812 = 244412
Step 302: 244412 + 812 = 245224
Step 303: 245224 + 812 = 246036
Step 304: 246036 + 812 = 246848
Step 305: 246848 + 812 = 247660
Step 306: 247660 + 812 = 248472
Step 307: 248472 + 812 = 249284
Step 308: 249284 + 812 = 250096
Step 309: 250096 + 812 = 250908
Step 310: 250908 + 812 = 251720
Step 311: 251720 + 812 = 252532
Step 312: 252532 + 812 = 253344
Step 313: 253344 + 812 = 254156
Step 314: 254156 + 812 = 254968
Step 315: 254968 + 812 = 255780
Step 316: 255780 + 812 = 256592
Step 317: 256592 + 812 = 257404
Step 318: 257404 + 812 = 258216
Step 319: 258216 + 812 = 259028
Step 320: 259028 + 812 = 259840
Step 321: 259840 + 812 = 260652
Step 322: 260652 + 812 = 261464
Step 323: 261464 + 812 = 262276
Step 324: 262276 + 812 = 263088
Step 325: 263088 + 812 = 263900
Step 326: 263900 + 812 = 264712
Step 327: 264712 + 812 = 265524
Step 328: 265524 + 812 = 266336
Step 329: 266336 + 812 = 267148
Step 330: 267148 + 812 = 267960
Step 331: 267960 + 812 = 268772
Step 332: 268772 + 812 = 269584
Step 333: 269584 + 812 = 270396
Step 334: 270396 + 812 = 271208
Step 335: 271208 + 812 = 272020
Step 336: 272020 + 812 = 272832
Step 337: 272832 + 812 = 273644
Step 338: 273644 + 812 = 274456
Step 339: 274456 + 812 = 275268
Step 340: 275268 + 812 = 276080
Step 341: 276080 + 812 = 276892
Step 342: 276892 + 812 = 277704
Step 343: 277704 + 812 = 278516
Step 344: 278516 + 812 = 279328
Step 345: 279328 + 812 = 280140
Step 346: 280140 + 812 = 280952
Step 347: 280952 + 812 = 281764
Step 348: 281764 + 812 = 282576
Step 349: 282576 + 812 = 283388
Step 350: 283388 + 812 = 284200
Step 351: 284200 + 812 = 285012
Step 352: 285012 + 812 = 285824
Step 353: 285824 + 812 = 286636
Step 354: 286636 + 812 = 287448
Step 355: 287448 + 812 = 288260
Step 356: 288260 + 812 = 289072
Step 357: 289072 + 812 = 289884
Step 358: 289884 + 812 = 290696
Step 359: 290696 + 812 = 291508
Step 360: 291508 + 812 = 292320
Step 361: 292320 + 812 = 293132
Step 362: 293132 + 812 = 293944
Step 363: 293944 + 812 = 294756
Step 364: 294756 + 812 = 295568
Step 365: 295568 + 812 = 296380
Step 366: 296380 + 812 = 297192
Step 367: 297192 + 812 = 298004
Step 368: 298004 + 812 = 298816
Step 369: 298816 + 812 = 299628
Step 370: 299628 + 812 = 300440
Step 371: 300440 + 812 = 301252
Step 372: 301252 + 812 = 302064
Step 373: 302064 + 812 = 302876
Step 374: 302876 + 812 = 303688
Step 375: 303688 + 812 = 304500
Step 376: 304500 + 812 = 305312
Step 377: 305312 + 812 = 306124
Step 378: 306124 + 812 = 306936
Step 379: 306936 + 812 = 307748
Step 380: 307748 + 812 = 308560
Step 381: 308560 + 812 = 309372
Step 382: 309372 + 812 = 310184
Step 383: 310184 + 812 = 310996
Step 384: 310996 + 812 = 311808
Step 385: 311808 + 812 = 312620
Step 386: 312620 + 812 = 313432
Step 387: 313432 + 812 = 314244
Step 388: 314244 + 812 = 315056
Step 389: 315056 + 812 = 315868
Step 390: 315868 + 812 = 316680
Step 391: 316680 + 812 = 317492
Step 392: 317492 + 812 = 318304
Step 393: 318304 + 812 = 319116
Step 394: 319116 + 812 = 319928
Step 395: 319928 + 812 = 320740
Step 396: 320740 + 812 = 321552
Step 397: 321552 + 812 = 322364
Step 398: 322364 + 812 = 323176
Step 399: 323176 + 812 = 323988
Step 400: 323988 + 812 = 324800
Step 401: 324800 + 812 = 325612
Step 402: 325612 + 812 = 326424
Step 403: 326424 + 812 = 327236
Step 404: 327236 + 812 = 328048
Step 405: 328048 + 812 = 328860
Step 406: 328860 + 812 = 329672
Step 407: 329672 + 812 = 330484
Step 408: 330484 + 812 = 331296
Step 409: 331296 + 812 = 332108
Step 410: 332108 + 812 = 332920
Step 411: 332920 + 812 = 333732
Step 412: 333732 + 812 = 334544
Step 413: 334544 + 812 = 335356
Step 414: 335356 + 812 = 336168
Step 415: 336168 + 812 = 336980
Step 416: 336980 + 812 = 337792
Step 417: 337792 + 812 = 338604
Step 418: 338604 + 812 = 339416
Step 419: 339416 + 812 = 340228
Step 420: 340228 + 812 = 341040
Step 421: 341040 + 812 = 341852
Step 422: 341852 + 812 = 342664
Step 423: 342664 + 812 = 343476
Step 424: 343476 + 812 = 344288
Step 425: 344288 + 812 = 345100
Step 426: 345100 + 812 = 345912
Step 427: 345912 + 812 = 346724
Step 428: 346724 + 812 = 347536
Step 429: 347536 + 812 = 348348
Step 430: 348348 + 812 = 349160
Step 431: 349160 + 812 = 349972
Step 432: 349972 + 812 = 350784
Step 433: 350784 + 812 = 351596
Step 434: 351596 + 812 = 352408
Step 435: 352408 + 812 = 353220
Step 436: 353220 + 812 = 354032
Step 437: 354032 + 812 = 354844
Step 438: 354844 + 812 = 355656
Step 439: 355656 + 812 = 356468
Step 440: 356468 + 812 = 357280
Step 441: 357280 + 812 = 358092
Step 442: 358092 + 812 = 358904
Step 443: 358904 + 812 = 359716
Step 444: 359716 + 812 = 360528
Step 445: 360528 + 812 = 361340
Step 446: 361340 + 812 = 362152
Step 447: 362152 + 812 = 362964
Step 448: 362964 + 812 = 363776
Step 449: 363776 + 812 = 364588
Step 450: 364588 + 812 = 365400
Step 451: 365400 + 812 = 366212
Step 452: 366212 + 812 = 367024
Step 453: 367024 + 812 = 367836
Step 454: 367836 + 812 = 368648
Step 455: 368648 + 812 = 369460

So, 812*455 = 369460