Alright, let's solve this math problem step by step. First, we have the number 855. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 447. So, we're going to take the number 855 and add it to itself 447 times.
Step 1: 0 + 855 = 855
Step 2: 855 + 855 = 1710
Step 3: 1710 + 855 = 2565
Step 4: 2565 + 855 = 3420
Step 5: 3420 + 855 = 4275
Step 6: 4275 + 855 = 5130
Step 7: 5130 + 855 = 5985
Step 8: 5985 + 855 = 6840
Step 9: 6840 + 855 = 7695
Step 10: 7695 + 855 = 8550
Step 11: 8550 + 855 = 9405
Step 12: 9405 + 855 = 10260
Step 13: 10260 + 855 = 11115
Step 14: 11115 + 855 = 11970
Step 15: 11970 + 855 = 12825
Step 16: 12825 + 855 = 13680
Step 17: 13680 + 855 = 14535
Step 18: 14535 + 855 = 15390
Step 19: 15390 + 855 = 16245
Step 20: 16245 + 855 = 17100
Step 21: 17100 + 855 = 17955
Step 22: 17955 + 855 = 18810
Step 23: 18810 + 855 = 19665
Step 24: 19665 + 855 = 20520
Step 25: 20520 + 855 = 21375
Step 26: 21375 + 855 = 22230
Step 27: 22230 + 855 = 23085
Step 28: 23085 + 855 = 23940
Step 29: 23940 + 855 = 24795
Step 30: 24795 + 855 = 25650
Step 31: 25650 + 855 = 26505
Step 32: 26505 + 855 = 27360
Step 33: 27360 + 855 = 28215
Step 34: 28215 + 855 = 29070
Step 35: 29070 + 855 = 29925
Step 36: 29925 + 855 = 30780
Step 37: 30780 + 855 = 31635
Step 38: 31635 + 855 = 32490
Step 39: 32490 + 855 = 33345
Step 40: 33345 + 855 = 34200
Step 41: 34200 + 855 = 35055
Step 42: 35055 + 855 = 35910
Step 43: 35910 + 855 = 36765
Step 44: 36765 + 855 = 37620
Step 45: 37620 + 855 = 38475
Step 46: 38475 + 855 = 39330
Step 47: 39330 + 855 = 40185
Step 48: 40185 + 855 = 41040
Step 49: 41040 + 855 = 41895
Step 50: 41895 + 855 = 42750
Step 51: 42750 + 855 = 43605
Step 52: 43605 + 855 = 44460
Step 53: 44460 + 855 = 45315
Step 54: 45315 + 855 = 46170
Step 55: 46170 + 855 = 47025
Step 56: 47025 + 855 = 47880
Step 57: 47880 + 855 = 48735
Step 58: 48735 + 855 = 49590
Step 59: 49590 + 855 = 50445
Step 60: 50445 + 855 = 51300
Step 61: 51300 + 855 = 52155
Step 62: 52155 + 855 = 53010
Step 63: 53010 + 855 = 53865
Step 64: 53865 + 855 = 54720
Step 65: 54720 + 855 = 55575
Step 66: 55575 + 855 = 56430
Step 67: 56430 + 855 = 57285
Step 68: 57285 + 855 = 58140
Step 69: 58140 + 855 = 58995
Step 70: 58995 + 855 = 59850
Step 71: 59850 + 855 = 60705
Step 72: 60705 + 855 = 61560
Step 73: 61560 + 855 = 62415
Step 74: 62415 + 855 = 63270
Step 75: 63270 + 855 = 64125
Step 76: 64125 + 855 = 64980
Step 77: 64980 + 855 = 65835
Step 78: 65835 + 855 = 66690
Step 79: 66690 + 855 = 67545
Step 80: 67545 + 855 = 68400
Step 81: 68400 + 855 = 69255
Step 82: 69255 + 855 = 70110
Step 83: 70110 + 855 = 70965
Step 84: 70965 + 855 = 71820
Step 85: 71820 + 855 = 72675
Step 86: 72675 + 855 = 73530
Step 87: 73530 + 855 = 74385
Step 88: 74385 + 855 = 75240
Step 89: 75240 + 855 = 76095
Step 90: 76095 + 855 = 76950
Step 91: 76950 + 855 = 77805
Step 92: 77805 + 855 = 78660
Step 93: 78660 + 855 = 79515
Step 94: 79515 + 855 = 80370
Step 95: 80370 + 855 = 81225
Step 96: 81225 + 855 = 82080
Step 97: 82080 + 855 = 82935
Step 98: 82935 + 855 = 83790
Step 99: 83790 + 855 = 84645
Step 100: 84645 + 855 = 85500
Step 101: 85500 + 855 = 86355
Step 102: 86355 + 855 = 87210
Step 103: 87210 + 855 = 88065
Step 104: 88065 + 855 = 88920
Step 105: 88920 + 855 = 89775
Step 106: 89775 + 855 = 90630
Step 107: 90630 + 855 = 91485
Step 108: 91485 + 855 = 92340
Step 109: 92340 + 855 = 93195
Step 110: 93195 + 855 = 94050
Step 111: 94050 + 855 = 94905
Step 112: 94905 + 855 = 95760
Step 113: 95760 + 855 = 96615
Step 114: 96615 + 855 = 97470
Step 115: 97470 + 855 = 98325
Step 116: 98325 + 855 = 99180
Step 117: 99180 + 855 = 100035
Step 118: 100035 + 855 = 100890
Step 119: 100890 + 855 = 101745
Step 120: 101745 + 855 = 102600
Step 121: 102600 + 855 = 103455
Step 122: 103455 + 855 = 104310
Step 123: 104310 + 855 = 105165
Step 124: 105165 + 855 = 106020
Step 125: 106020 + 855 = 106875
Step 126: 106875 + 855 = 107730
Step 127: 107730 + 855 = 108585
Step 128: 108585 + 855 = 109440
Step 129: 109440 + 855 = 110295
Step 130: 110295 + 855 = 111150
Step 131: 111150 + 855 = 112005
Step 132: 112005 + 855 = 112860
Step 133: 112860 + 855 = 113715
Step 134: 113715 + 855 = 114570
Step 135: 114570 + 855 = 115425
Step 136: 115425 + 855 = 116280
Step 137: 116280 + 855 = 117135
Step 138: 117135 + 855 = 117990
Step 139: 117990 + 855 = 118845
Step 140: 118845 + 855 = 119700
Step 141: 119700 + 855 = 120555
Step 142: 120555 + 855 = 121410
Step 143: 121410 + 855 = 122265
Step 144: 122265 + 855 = 123120
Step 145: 123120 + 855 = 123975
Step 146: 123975 + 855 = 124830
Step 147: 124830 + 855 = 125685
Step 148: 125685 + 855 = 126540
Step 149: 126540 + 855 = 127395
Step 150: 127395 + 855 = 128250
Step 151: 128250 + 855 = 129105
Step 152: 129105 + 855 = 129960
Step 153: 129960 + 855 = 130815
Step 154: 130815 + 855 = 131670
Step 155: 131670 + 855 = 132525
Step 156: 132525 + 855 = 133380
Step 157: 133380 + 855 = 134235
Step 158: 134235 + 855 = 135090
Step 159: 135090 + 855 = 135945
Step 160: 135945 + 855 = 136800
Step 161: 136800 + 855 = 137655
Step 162: 137655 + 855 = 138510
Step 163: 138510 + 855 = 139365
Step 164: 139365 + 855 = 140220
Step 165: 140220 + 855 = 141075
Step 166: 141075 + 855 = 141930
Step 167: 141930 + 855 = 142785
Step 168: 142785 + 855 = 143640
Step 169: 143640 + 855 = 144495
Step 170: 144495 + 855 = 145350
Step 171: 145350 + 855 = 146205
Step 172: 146205 + 855 = 147060
Step 173: 147060 + 855 = 147915
Step 174: 147915 + 855 = 148770
Step 175: 148770 + 855 = 149625
Step 176: 149625 + 855 = 150480
Step 177: 150480 + 855 = 151335
Step 178: 151335 + 855 = 152190
Step 179: 152190 + 855 = 153045
Step 180: 153045 + 855 = 153900
Step 181: 153900 + 855 = 154755
Step 182: 154755 + 855 = 155610
Step 183: 155610 + 855 = 156465
Step 184: 156465 + 855 = 157320
Step 185: 157320 + 855 = 158175
Step 186: 158175 + 855 = 159030
Step 187: 159030 + 855 = 159885
Step 188: 159885 + 855 = 160740
Step 189: 160740 + 855 = 161595
Step 190: 161595 + 855 = 162450
Step 191: 162450 + 855 = 163305
Step 192: 163305 + 855 = 164160
Step 193: 164160 + 855 = 165015
Step 194: 165015 + 855 = 165870
Step 195: 165870 + 855 = 166725
Step 196: 166725 + 855 = 167580
Step 197: 167580 + 855 = 168435
Step 198: 168435 + 855 = 169290
Step 199: 169290 + 855 = 170145
Step 200: 170145 + 855 = 171000
Step 201: 171000 + 855 = 171855
Step 202: 171855 + 855 = 172710
Step 203: 172710 + 855 = 173565
Step 204: 173565 + 855 = 174420
Step 205: 174420 + 855 = 175275
Step 206: 175275 + 855 = 176130
Step 207: 176130 + 855 = 176985
Step 208: 176985 + 855 = 177840
Step 209: 177840 + 855 = 178695
Step 210: 178695 + 855 = 179550
Step 211: 179550 + 855 = 180405
Step 212: 180405 + 855 = 181260
Step 213: 181260 + 855 = 182115
Step 214: 182115 + 855 = 182970
Step 215: 182970 + 855 = 183825
Step 216: 183825 + 855 = 184680
Step 217: 184680 + 855 = 185535
Step 218: 185535 + 855 = 186390
Step 219: 186390 + 855 = 187245
Step 220: 187245 + 855 = 188100
Step 221: 188100 + 855 = 188955
Step 222: 188955 + 855 = 189810
Step 223: 189810 + 855 = 190665
Step 224: 190665 + 855 = 191520
Step 225: 191520 + 855 = 192375
Step 226: 192375 + 855 = 193230
Step 227: 193230 + 855 = 194085
Step 228: 194085 + 855 = 194940
Step 229: 194940 + 855 = 195795
Step 230: 195795 + 855 = 196650
Step 231: 196650 + 855 = 197505
Step 232: 197505 + 855 = 198360
Step 233: 198360 + 855 = 199215
Step 234: 199215 + 855 = 200070
Step 235: 200070 + 855 = 200925
Step 236: 200925 + 855 = 201780
Step 237: 201780 + 855 = 202635
Step 238: 202635 + 855 = 203490
Step 239: 203490 + 855 = 204345
Step 240: 204345 + 855 = 205200
Step 241: 205200 + 855 = 206055
Step 242: 206055 + 855 = 206910
Step 243: 206910 + 855 = 207765
Step 244: 207765 + 855 = 208620
Step 245: 208620 + 855 = 209475
Step 246: 209475 + 855 = 210330
Step 247: 210330 + 855 = 211185
Step 248: 211185 + 855 = 212040
Step 249: 212040 + 855 = 212895
Step 250: 212895 + 855 = 213750
Step 251: 213750 + 855 = 214605
Step 252: 214605 + 855 = 215460
Step 253: 215460 + 855 = 216315
Step 254: 216315 + 855 = 217170
Step 255: 217170 + 855 = 218025
Step 256: 218025 + 855 = 218880
Step 257: 218880 + 855 = 219735
Step 258: 219735 + 855 = 220590
Step 259: 220590 + 855 = 221445
Step 260: 221445 + 855 = 222300
Step 261: 222300 + 855 = 223155
Step 262: 223155 + 855 = 224010
Step 263: 224010 + 855 = 224865
Step 264: 224865 + 855 = 225720
Step 265: 225720 + 855 = 226575
Step 266: 226575 + 855 = 227430
Step 267: 227430 + 855 = 228285
Step 268: 228285 + 855 = 229140
Step 269: 229140 + 855 = 229995
Step 270: 229995 + 855 = 230850
Step 271: 230850 + 855 = 231705
Step 272: 231705 + 855 = 232560
Step 273: 232560 + 855 = 233415
Step 274: 233415 + 855 = 234270
Step 275: 234270 + 855 = 235125
Step 276: 235125 + 855 = 235980
Step 277: 235980 + 855 = 236835
Step 278: 236835 + 855 = 237690
Step 279: 237690 + 855 = 238545
Step 280: 238545 + 855 = 239400
Step 281: 239400 + 855 = 240255
Step 282: 240255 + 855 = 241110
Step 283: 241110 + 855 = 241965
Step 284: 241965 + 855 = 242820
Step 285: 242820 + 855 = 243675
Step 286: 243675 + 855 = 244530
Step 287: 244530 + 855 = 245385
Step 288: 245385 + 855 = 246240
Step 289: 246240 + 855 = 247095
Step 290: 247095 + 855 = 247950
Step 291: 247950 + 855 = 248805
Step 292: 248805 + 855 = 249660
Step 293: 249660 + 855 = 250515
Step 294: 250515 + 855 = 251370
Step 295: 251370 + 855 = 252225
Step 296: 252225 + 855 = 253080
Step 297: 253080 + 855 = 253935
Step 298: 253935 + 855 = 254790
Step 299: 254790 + 855 = 255645
Step 300: 255645 + 855 = 256500
Step 301: 256500 + 855 = 257355
Step 302: 257355 + 855 = 258210
Step 303: 258210 + 855 = 259065
Step 304: 259065 + 855 = 259920
Step 305: 259920 + 855 = 260775
Step 306: 260775 + 855 = 261630
Step 307: 261630 + 855 = 262485
Step 308: 262485 + 855 = 263340
Step 309: 263340 + 855 = 264195
Step 310: 264195 + 855 = 265050
Step 311: 265050 + 855 = 265905
Step 312: 265905 + 855 = 266760
Step 313: 266760 + 855 = 267615
Step 314: 267615 + 855 = 268470
Step 315: 268470 + 855 = 269325
Step 316: 269325 + 855 = 270180
Step 317: 270180 + 855 = 271035
Step 318: 271035 + 855 = 271890
Step 319: 271890 + 855 = 272745
Step 320: 272745 + 855 = 273600
Step 321: 273600 + 855 = 274455
Step 322: 274455 + 855 = 275310
Step 323: 275310 + 855 = 276165
Step 324: 276165 + 855 = 277020
Step 325: 277020 + 855 = 277875
Step 326: 277875 + 855 = 278730
Step 327: 278730 + 855 = 279585
Step 328: 279585 + 855 = 280440
Step 329: 280440 + 855 = 281295
Step 330: 281295 + 855 = 282150
Step 331: 282150 + 855 = 283005
Step 332: 283005 + 855 = 283860
Step 333: 283860 + 855 = 284715
Step 334: 284715 + 855 = 285570
Step 335: 285570 + 855 = 286425
Step 336: 286425 + 855 = 287280
Step 337: 287280 + 855 = 288135
Step 338: 288135 + 855 = 288990
Step 339: 288990 + 855 = 289845
Step 340: 289845 + 855 = 290700
Step 341: 290700 + 855 = 291555
Step 342: 291555 + 855 = 292410
Step 343: 292410 + 855 = 293265
Step 344: 293265 + 855 = 294120
Step 345: 294120 + 855 = 294975
Step 346: 294975 + 855 = 295830
Step 347: 295830 + 855 = 296685
Step 348: 296685 + 855 = 297540
Step 349: 297540 + 855 = 298395
Step 350: 298395 + 855 = 299250
Step 351: 299250 + 855 = 300105
Step 352: 300105 + 855 = 300960
Step 353: 300960 + 855 = 301815
Step 354: 301815 + 855 = 302670
Step 355: 302670 + 855 = 303525
Step 356: 303525 + 855 = 304380
Step 357: 304380 + 855 = 305235
Step 358: 305235 + 855 = 306090
Step 359: 306090 + 855 = 306945
Step 360: 306945 + 855 = 307800
Step 361: 307800 + 855 = 308655
Step 362: 308655 + 855 = 309510
Step 363: 309510 + 855 = 310365
Step 364: 310365 + 855 = 311220
Step 365: 311220 + 855 = 312075
Step 366: 312075 + 855 = 312930
Step 367: 312930 + 855 = 313785
Step 368: 313785 + 855 = 314640
Step 369: 314640 + 855 = 315495
Step 370: 315495 + 855 = 316350
Step 371: 316350 + 855 = 317205
Step 372: 317205 + 855 = 318060
Step 373: 318060 + 855 = 318915
Step 374: 318915 + 855 = 319770
Step 375: 319770 + 855 = 320625
Step 376: 320625 + 855 = 321480
Step 377: 321480 + 855 = 322335
Step 378: 322335 + 855 = 323190
Step 379: 323190 + 855 = 324045
Step 380: 324045 + 855 = 324900
Step 381: 324900 + 855 = 325755
Step 382: 325755 + 855 = 326610
Step 383: 326610 + 855 = 327465
Step 384: 327465 + 855 = 328320
Step 385: 328320 + 855 = 329175
Step 386: 329175 + 855 = 330030
Step 387: 330030 + 855 = 330885
Step 388: 330885 + 855 = 331740
Step 389: 331740 + 855 = 332595
Step 390: 332595 + 855 = 333450
Step 391: 333450 + 855 = 334305
Step 392: 334305 + 855 = 335160
Step 393: 335160 + 855 = 336015
Step 394: 336015 + 855 = 336870
Step 395: 336870 + 855 = 337725
Step 396: 337725 + 855 = 338580
Step 397: 338580 + 855 = 339435
Step 398: 339435 + 855 = 340290
Step 399: 340290 + 855 = 341145
Step 400: 341145 + 855 = 342000
Step 401: 342000 + 855 = 342855
Step 402: 342855 + 855 = 343710
Step 403: 343710 + 855 = 344565
Step 404: 344565 + 855 = 345420
Step 405: 345420 + 855 = 346275
Step 406: 346275 + 855 = 347130
Step 407: 347130 + 855 = 347985
Step 408: 347985 + 855 = 348840
Step 409: 348840 + 855 = 349695
Step 410: 349695 + 855 = 350550
Step 411: 350550 + 855 = 351405
Step 412: 351405 + 855 = 352260
Step 413: 352260 + 855 = 353115
Step 414: 353115 + 855 = 353970
Step 415: 353970 + 855 = 354825
Step 416: 354825 + 855 = 355680
Step 417: 355680 + 855 = 356535
Step 418: 356535 + 855 = 357390
Step 419: 357390 + 855 = 358245
Step 420: 358245 + 855 = 359100
Step 421: 359100 + 855 = 359955
Step 422: 359955 + 855 = 360810
Step 423: 360810 + 855 = 361665
Step 424: 361665 + 855 = 362520
Step 425: 362520 + 855 = 363375
Step 426: 363375 + 855 = 364230
Step 427: 364230 + 855 = 365085
Step 428: 365085 + 855 = 365940
Step 429: 365940 + 855 = 366795
Step 430: 366795 + 855 = 367650
Step 431: 367650 + 855 = 368505
Step 432: 368505 + 855 = 369360
Step 433: 369360 + 855 = 370215
Step 434: 370215 + 855 = 371070
Step 435: 371070 + 855 = 371925
Step 436: 371925 + 855 = 372780
Step 437: 372780 + 855 = 373635
Step 438: 373635 + 855 = 374490
Step 439: 374490 + 855 = 375345
Step 440: 375345 + 855 = 376200
Step 441: 376200 + 855 = 377055
Step 442: 377055 + 855 = 377910
Step 443: 377910 + 855 = 378765
Step 444: 378765 + 855 = 379620
Step 445: 379620 + 855 = 380475
Step 446: 380475 + 855 = 381330
Step 447: 381330 + 855 = 382185

So, 855*447 = 382185