Alright, let's solve this math problem step by step. First, we have the number 663. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 427. So, we're going to take the number 663 and add it to itself 427 times.
Step 1: 0 + 663 = 663
Step 2: 663 + 663 = 1326
Step 3: 1326 + 663 = 1989
Step 4: 1989 + 663 = 2652
Step 5: 2652 + 663 = 3315
Step 6: 3315 + 663 = 3978
Step 7: 3978 + 663 = 4641
Step 8: 4641 + 663 = 5304
Step 9: 5304 + 663 = 5967
Step 10: 5967 + 663 = 6630
Step 11: 6630 + 663 = 7293
Step 12: 7293 + 663 = 7956
Step 13: 7956 + 663 = 8619
Step 14: 8619 + 663 = 9282
Step 15: 9282 + 663 = 9945
Step 16: 9945 + 663 = 10608
Step 17: 10608 + 663 = 11271
Step 18: 11271 + 663 = 11934
Step 19: 11934 + 663 = 12597
Step 20: 12597 + 663 = 13260
Step 21: 13260 + 663 = 13923
Step 22: 13923 + 663 = 14586
Step 23: 14586 + 663 = 15249
Step 24: 15249 + 663 = 15912
Step 25: 15912 + 663 = 16575
Step 26: 16575 + 663 = 17238
Step 27: 17238 + 663 = 17901
Step 28: 17901 + 663 = 18564
Step 29: 18564 + 663 = 19227
Step 30: 19227 + 663 = 19890
Step 31: 19890 + 663 = 20553
Step 32: 20553 + 663 = 21216
Step 33: 21216 + 663 = 21879
Step 34: 21879 + 663 = 22542
Step 35: 22542 + 663 = 23205
Step 36: 23205 + 663 = 23868
Step 37: 23868 + 663 = 24531
Step 38: 24531 + 663 = 25194
Step 39: 25194 + 663 = 25857
Step 40: 25857 + 663 = 26520
Step 41: 26520 + 663 = 27183
Step 42: 27183 + 663 = 27846
Step 43: 27846 + 663 = 28509
Step 44: 28509 + 663 = 29172
Step 45: 29172 + 663 = 29835
Step 46: 29835 + 663 = 30498
Step 47: 30498 + 663 = 31161
Step 48: 31161 + 663 = 31824
Step 49: 31824 + 663 = 32487
Step 50: 32487 + 663 = 33150
Step 51: 33150 + 663 = 33813
Step 52: 33813 + 663 = 34476
Step 53: 34476 + 663 = 35139
Step 54: 35139 + 663 = 35802
Step 55: 35802 + 663 = 36465
Step 56: 36465 + 663 = 37128
Step 57: 37128 + 663 = 37791
Step 58: 37791 + 663 = 38454
Step 59: 38454 + 663 = 39117
Step 60: 39117 + 663 = 39780
Step 61: 39780 + 663 = 40443
Step 62: 40443 + 663 = 41106
Step 63: 41106 + 663 = 41769
Step 64: 41769 + 663 = 42432
Step 65: 42432 + 663 = 43095
Step 66: 43095 + 663 = 43758
Step 67: 43758 + 663 = 44421
Step 68: 44421 + 663 = 45084
Step 69: 45084 + 663 = 45747
Step 70: 45747 + 663 = 46410
Step 71: 46410 + 663 = 47073
Step 72: 47073 + 663 = 47736
Step 73: 47736 + 663 = 48399
Step 74: 48399 + 663 = 49062
Step 75: 49062 + 663 = 49725
Step 76: 49725 + 663 = 50388
Step 77: 50388 + 663 = 51051
Step 78: 51051 + 663 = 51714
Step 79: 51714 + 663 = 52377
Step 80: 52377 + 663 = 53040
Step 81: 53040 + 663 = 53703
Step 82: 53703 + 663 = 54366
Step 83: 54366 + 663 = 55029
Step 84: 55029 + 663 = 55692
Step 85: 55692 + 663 = 56355
Step 86: 56355 + 663 = 57018
Step 87: 57018 + 663 = 57681
Step 88: 57681 + 663 = 58344
Step 89: 58344 + 663 = 59007
Step 90: 59007 + 663 = 59670
Step 91: 59670 + 663 = 60333
Step 92: 60333 + 663 = 60996
Step 93: 60996 + 663 = 61659
Step 94: 61659 + 663 = 62322
Step 95: 62322 + 663 = 62985
Step 96: 62985 + 663 = 63648
Step 97: 63648 + 663 = 64311
Step 98: 64311 + 663 = 64974
Step 99: 64974 + 663 = 65637
Step 100: 65637 + 663 = 66300
Step 101: 66300 + 663 = 66963
Step 102: 66963 + 663 = 67626
Step 103: 67626 + 663 = 68289
Step 104: 68289 + 663 = 68952
Step 105: 68952 + 663 = 69615
Step 106: 69615 + 663 = 70278
Step 107: 70278 + 663 = 70941
Step 108: 70941 + 663 = 71604
Step 109: 71604 + 663 = 72267
Step 110: 72267 + 663 = 72930
Step 111: 72930 + 663 = 73593
Step 112: 73593 + 663 = 74256
Step 113: 74256 + 663 = 74919
Step 114: 74919 + 663 = 75582
Step 115: 75582 + 663 = 76245
Step 116: 76245 + 663 = 76908
Step 117: 76908 + 663 = 77571
Step 118: 77571 + 663 = 78234
Step 119: 78234 + 663 = 78897
Step 120: 78897 + 663 = 79560
Step 121: 79560 + 663 = 80223
Step 122: 80223 + 663 = 80886
Step 123: 80886 + 663 = 81549
Step 124: 81549 + 663 = 82212
Step 125: 82212 + 663 = 82875
Step 126: 82875 + 663 = 83538
Step 127: 83538 + 663 = 84201
Step 128: 84201 + 663 = 84864
Step 129: 84864 + 663 = 85527
Step 130: 85527 + 663 = 86190
Step 131: 86190 + 663 = 86853
Step 132: 86853 + 663 = 87516
Step 133: 87516 + 663 = 88179
Step 134: 88179 + 663 = 88842
Step 135: 88842 + 663 = 89505
Step 136: 89505 + 663 = 90168
Step 137: 90168 + 663 = 90831
Step 138: 90831 + 663 = 91494
Step 139: 91494 + 663 = 92157
Step 140: 92157 + 663 = 92820
Step 141: 92820 + 663 = 93483
Step 142: 93483 + 663 = 94146
Step 143: 94146 + 663 = 94809
Step 144: 94809 + 663 = 95472
Step 145: 95472 + 663 = 96135
Step 146: 96135 + 663 = 96798
Step 147: 96798 + 663 = 97461
Step 148: 97461 + 663 = 98124
Step 149: 98124 + 663 = 98787
Step 150: 98787 + 663 = 99450
Step 151: 99450 + 663 = 100113
Step 152: 100113 + 663 = 100776
Step 153: 100776 + 663 = 101439
Step 154: 101439 + 663 = 102102
Step 155: 102102 + 663 = 102765
Step 156: 102765 + 663 = 103428
Step 157: 103428 + 663 = 104091
Step 158: 104091 + 663 = 104754
Step 159: 104754 + 663 = 105417
Step 160: 105417 + 663 = 106080
Step 161: 106080 + 663 = 106743
Step 162: 106743 + 663 = 107406
Step 163: 107406 + 663 = 108069
Step 164: 108069 + 663 = 108732
Step 165: 108732 + 663 = 109395
Step 166: 109395 + 663 = 110058
Step 167: 110058 + 663 = 110721
Step 168: 110721 + 663 = 111384
Step 169: 111384 + 663 = 112047
Step 170: 112047 + 663 = 112710
Step 171: 112710 + 663 = 113373
Step 172: 113373 + 663 = 114036
Step 173: 114036 + 663 = 114699
Step 174: 114699 + 663 = 115362
Step 175: 115362 + 663 = 116025
Step 176: 116025 + 663 = 116688
Step 177: 116688 + 663 = 117351
Step 178: 117351 + 663 = 118014
Step 179: 118014 + 663 = 118677
Step 180: 118677 + 663 = 119340
Step 181: 119340 + 663 = 120003
Step 182: 120003 + 663 = 120666
Step 183: 120666 + 663 = 121329
Step 184: 121329 + 663 = 121992
Step 185: 121992 + 663 = 122655
Step 186: 122655 + 663 = 123318
Step 187: 123318 + 663 = 123981
Step 188: 123981 + 663 = 124644
Step 189: 124644 + 663 = 125307
Step 190: 125307 + 663 = 125970
Step 191: 125970 + 663 = 126633
Step 192: 126633 + 663 = 127296
Step 193: 127296 + 663 = 127959
Step 194: 127959 + 663 = 128622
Step 195: 128622 + 663 = 129285
Step 196: 129285 + 663 = 129948
Step 197: 129948 + 663 = 130611
Step 198: 130611 + 663 = 131274
Step 199: 131274 + 663 = 131937
Step 200: 131937 + 663 = 132600
Step 201: 132600 + 663 = 133263
Step 202: 133263 + 663 = 133926
Step 203: 133926 + 663 = 134589
Step 204: 134589 + 663 = 135252
Step 205: 135252 + 663 = 135915
Step 206: 135915 + 663 = 136578
Step 207: 136578 + 663 = 137241
Step 208: 137241 + 663 = 137904
Step 209: 137904 + 663 = 138567
Step 210: 138567 + 663 = 139230
Step 211: 139230 + 663 = 139893
Step 212: 139893 + 663 = 140556
Step 213: 140556 + 663 = 141219
Step 214: 141219 + 663 = 141882
Step 215: 141882 + 663 = 142545
Step 216: 142545 + 663 = 143208
Step 217: 143208 + 663 = 143871
Step 218: 143871 + 663 = 144534
Step 219: 144534 + 663 = 145197
Step 220: 145197 + 663 = 145860
Step 221: 145860 + 663 = 146523
Step 222: 146523 + 663 = 147186
Step 223: 147186 + 663 = 147849
Step 224: 147849 + 663 = 148512
Step 225: 148512 + 663 = 149175
Step 226: 149175 + 663 = 149838
Step 227: 149838 + 663 = 150501
Step 228: 150501 + 663 = 151164
Step 229: 151164 + 663 = 151827
Step 230: 151827 + 663 = 152490
Step 231: 152490 + 663 = 153153
Step 232: 153153 + 663 = 153816
Step 233: 153816 + 663 = 154479
Step 234: 154479 + 663 = 155142
Step 235: 155142 + 663 = 155805
Step 236: 155805 + 663 = 156468
Step 237: 156468 + 663 = 157131
Step 238: 157131 + 663 = 157794
Step 239: 157794 + 663 = 158457
Step 240: 158457 + 663 = 159120
Step 241: 159120 + 663 = 159783
Step 242: 159783 + 663 = 160446
Step 243: 160446 + 663 = 161109
Step 244: 161109 + 663 = 161772
Step 245: 161772 + 663 = 162435
Step 246: 162435 + 663 = 163098
Step 247: 163098 + 663 = 163761
Step 248: 163761 + 663 = 164424
Step 249: 164424 + 663 = 165087
Step 250: 165087 + 663 = 165750
Step 251: 165750 + 663 = 166413
Step 252: 166413 + 663 = 167076
Step 253: 167076 + 663 = 167739
Step 254: 167739 + 663 = 168402
Step 255: 168402 + 663 = 169065
Step 256: 169065 + 663 = 169728
Step 257: 169728 + 663 = 170391
Step 258: 170391 + 663 = 171054
Step 259: 171054 + 663 = 171717
Step 260: 171717 + 663 = 172380
Step 261: 172380 + 663 = 173043
Step 262: 173043 + 663 = 173706
Step 263: 173706 + 663 = 174369
Step 264: 174369 + 663 = 175032
Step 265: 175032 + 663 = 175695
Step 266: 175695 + 663 = 176358
Step 267: 176358 + 663 = 177021
Step 268: 177021 + 663 = 177684
Step 269: 177684 + 663 = 178347
Step 270: 178347 + 663 = 179010
Step 271: 179010 + 663 = 179673
Step 272: 179673 + 663 = 180336
Step 273: 180336 + 663 = 180999
Step 274: 180999 + 663 = 181662
Step 275: 181662 + 663 = 182325
Step 276: 182325 + 663 = 182988
Step 277: 182988 + 663 = 183651
Step 278: 183651 + 663 = 184314
Step 279: 184314 + 663 = 184977
Step 280: 184977 + 663 = 185640
Step 281: 185640 + 663 = 186303
Step 282: 186303 + 663 = 186966
Step 283: 186966 + 663 = 187629
Step 284: 187629 + 663 = 188292
Step 285: 188292 + 663 = 188955
Step 286: 188955 + 663 = 189618
Step 287: 189618 + 663 = 190281
Step 288: 190281 + 663 = 190944
Step 289: 190944 + 663 = 191607
Step 290: 191607 + 663 = 192270
Step 291: 192270 + 663 = 192933
Step 292: 192933 + 663 = 193596
Step 293: 193596 + 663 = 194259
Step 294: 194259 + 663 = 194922
Step 295: 194922 + 663 = 195585
Step 296: 195585 + 663 = 196248
Step 297: 196248 + 663 = 196911
Step 298: 196911 + 663 = 197574
Step 299: 197574 + 663 = 198237
Step 300: 198237 + 663 = 198900
Step 301: 198900 + 663 = 199563
Step 302: 199563 + 663 = 200226
Step 303: 200226 + 663 = 200889
Step 304: 200889 + 663 = 201552
Step 305: 201552 + 663 = 202215
Step 306: 202215 + 663 = 202878
Step 307: 202878 + 663 = 203541
Step 308: 203541 + 663 = 204204
Step 309: 204204 + 663 = 204867
Step 310: 204867 + 663 = 205530
Step 311: 205530 + 663 = 206193
Step 312: 206193 + 663 = 206856
Step 313: 206856 + 663 = 207519
Step 314: 207519 + 663 = 208182
Step 315: 208182 + 663 = 208845
Step 316: 208845 + 663 = 209508
Step 317: 209508 + 663 = 210171
Step 318: 210171 + 663 = 210834
Step 319: 210834 + 663 = 211497
Step 320: 211497 + 663 = 212160
Step 321: 212160 + 663 = 212823
Step 322: 212823 + 663 = 213486
Step 323: 213486 + 663 = 214149
Step 324: 214149 + 663 = 214812
Step 325: 214812 + 663 = 215475
Step 326: 215475 + 663 = 216138
Step 327: 216138 + 663 = 216801
Step 328: 216801 + 663 = 217464
Step 329: 217464 + 663 = 218127
Step 330: 218127 + 663 = 218790
Step 331: 218790 + 663 = 219453
Step 332: 219453 + 663 = 220116
Step 333: 220116 + 663 = 220779
Step 334: 220779 + 663 = 221442
Step 335: 221442 + 663 = 222105
Step 336: 222105 + 663 = 222768
Step 337: 222768 + 663 = 223431
Step 338: 223431 + 663 = 224094
Step 339: 224094 + 663 = 224757
Step 340: 224757 + 663 = 225420
Step 341: 225420 + 663 = 226083
Step 342: 226083 + 663 = 226746
Step 343: 226746 + 663 = 227409
Step 344: 227409 + 663 = 228072
Step 345: 228072 + 663 = 228735
Step 346: 228735 + 663 = 229398
Step 347: 229398 + 663 = 230061
Step 348: 230061 + 663 = 230724
Step 349: 230724 + 663 = 231387
Step 350: 231387 + 663 = 232050
Step 351: 232050 + 663 = 232713
Step 352: 232713 + 663 = 233376
Step 353: 233376 + 663 = 234039
Step 354: 234039 + 663 = 234702
Step 355: 234702 + 663 = 235365
Step 356: 235365 + 663 = 236028
Step 357: 236028 + 663 = 236691
Step 358: 236691 + 663 = 237354
Step 359: 237354 + 663 = 238017
Step 360: 238017 + 663 = 238680
Step 361: 238680 + 663 = 239343
Step 362: 239343 + 663 = 240006
Step 363: 240006 + 663 = 240669
Step 364: 240669 + 663 = 241332
Step 365: 241332 + 663 = 241995
Step 366: 241995 + 663 = 242658
Step 367: 242658 + 663 = 243321
Step 368: 243321 + 663 = 243984
Step 369: 243984 + 663 = 244647
Step 370: 244647 + 663 = 245310
Step 371: 245310 + 663 = 245973
Step 372: 245973 + 663 = 246636
Step 373: 246636 + 663 = 247299
Step 374: 247299 + 663 = 247962
Step 375: 247962 + 663 = 248625
Step 376: 248625 + 663 = 249288
Step 377: 249288 + 663 = 249951
Step 378: 249951 + 663 = 250614
Step 379: 250614 + 663 = 251277
Step 380: 251277 + 663 = 251940
Step 381: 251940 + 663 = 252603
Step 382: 252603 + 663 = 253266
Step 383: 253266 + 663 = 253929
Step 384: 253929 + 663 = 254592
Step 385: 254592 + 663 = 255255
Step 386: 255255 + 663 = 255918
Step 387: 255918 + 663 = 256581
Step 388: 256581 + 663 = 257244
Step 389: 257244 + 663 = 257907
Step 390: 257907 + 663 = 258570
Step 391: 258570 + 663 = 259233
Step 392: 259233 + 663 = 259896
Step 393: 259896 + 663 = 260559
Step 394: 260559 + 663 = 261222
Step 395: 261222 + 663 = 261885
Step 396: 261885 + 663 = 262548
Step 397: 262548 + 663 = 263211
Step 398: 263211 + 663 = 263874
Step 399: 263874 + 663 = 264537
Step 400: 264537 + 663 = 265200
Step 401: 265200 + 663 = 265863
Step 402: 265863 + 663 = 266526
Step 403: 266526 + 663 = 267189
Step 404: 267189 + 663 = 267852
Step 405: 267852 + 663 = 268515
Step 406: 268515 + 663 = 269178
Step 407: 269178 + 663 = 269841
Step 408: 269841 + 663 = 270504
Step 409: 270504 + 663 = 271167
Step 410: 271167 + 663 = 271830
Step 411: 271830 + 663 = 272493
Step 412: 272493 + 663 = 273156
Step 413: 273156 + 663 = 273819
Step 414: 273819 + 663 = 274482
Step 415: 274482 + 663 = 275145
Step 416: 275145 + 663 = 275808
Step 417: 275808 + 663 = 276471
Step 418: 276471 + 663 = 277134
Step 419: 277134 + 663 = 277797
Step 420: 277797 + 663 = 278460
Step 421: 278460 + 663 = 279123
Step 422: 279123 + 663 = 279786
Step 423: 279786 + 663 = 280449
Step 424: 280449 + 663 = 281112
Step 425: 281112 + 663 = 281775
Step 426: 281775 + 663 = 282438
Step 427: 282438 + 663 = 283101

So, 663*427 = 283101