Alright, let's solve this math problem step by step. First, we have the number 427. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 307. So, we're going to take the number 427 and add it to itself 307 times.
Step 1: 0 + 427 = 427
Step 2: 427 + 427 = 854
Step 3: 854 + 427 = 1281
Step 4: 1281 + 427 = 1708
Step 5: 1708 + 427 = 2135
Step 6: 2135 + 427 = 2562
Step 7: 2562 + 427 = 2989
Step 8: 2989 + 427 = 3416
Step 9: 3416 + 427 = 3843
Step 10: 3843 + 427 = 4270
Step 11: 4270 + 427 = 4697
Step 12: 4697 + 427 = 5124
Step 13: 5124 + 427 = 5551
Step 14: 5551 + 427 = 5978
Step 15: 5978 + 427 = 6405
Step 16: 6405 + 427 = 6832
Step 17: 6832 + 427 = 7259
Step 18: 7259 + 427 = 7686
Step 19: 7686 + 427 = 8113
Step 20: 8113 + 427 = 8540
Step 21: 8540 + 427 = 8967
Step 22: 8967 + 427 = 9394
Step 23: 9394 + 427 = 9821
Step 24: 9821 + 427 = 10248
Step 25: 10248 + 427 = 10675
Step 26: 10675 + 427 = 11102
Step 27: 11102 + 427 = 11529
Step 28: 11529 + 427 = 11956
Step 29: 11956 + 427 = 12383
Step 30: 12383 + 427 = 12810
Step 31: 12810 + 427 = 13237
Step 32: 13237 + 427 = 13664
Step 33: 13664 + 427 = 14091
Step 34: 14091 + 427 = 14518
Step 35: 14518 + 427 = 14945
Step 36: 14945 + 427 = 15372
Step 37: 15372 + 427 = 15799
Step 38: 15799 + 427 = 16226
Step 39: 16226 + 427 = 16653
Step 40: 16653 + 427 = 17080
Step 41: 17080 + 427 = 17507
Step 42: 17507 + 427 = 17934
Step 43: 17934 + 427 = 18361
Step 44: 18361 + 427 = 18788
Step 45: 18788 + 427 = 19215
Step 46: 19215 + 427 = 19642
Step 47: 19642 + 427 = 20069
Step 48: 20069 + 427 = 20496
Step 49: 20496 + 427 = 20923
Step 50: 20923 + 427 = 21350
Step 51: 21350 + 427 = 21777
Step 52: 21777 + 427 = 22204
Step 53: 22204 + 427 = 22631
Step 54: 22631 + 427 = 23058
Step 55: 23058 + 427 = 23485
Step 56: 23485 + 427 = 23912
Step 57: 23912 + 427 = 24339
Step 58: 24339 + 427 = 24766
Step 59: 24766 + 427 = 25193
Step 60: 25193 + 427 = 25620
Step 61: 25620 + 427 = 26047
Step 62: 26047 + 427 = 26474
Step 63: 26474 + 427 = 26901
Step 64: 26901 + 427 = 27328
Step 65: 27328 + 427 = 27755
Step 66: 27755 + 427 = 28182
Step 67: 28182 + 427 = 28609
Step 68: 28609 + 427 = 29036
Step 69: 29036 + 427 = 29463
Step 70: 29463 + 427 = 29890
Step 71: 29890 + 427 = 30317
Step 72: 30317 + 427 = 30744
Step 73: 30744 + 427 = 31171
Step 74: 31171 + 427 = 31598
Step 75: 31598 + 427 = 32025
Step 76: 32025 + 427 = 32452
Step 77: 32452 + 427 = 32879
Step 78: 32879 + 427 = 33306
Step 79: 33306 + 427 = 33733
Step 80: 33733 + 427 = 34160
Step 81: 34160 + 427 = 34587
Step 82: 34587 + 427 = 35014
Step 83: 35014 + 427 = 35441
Step 84: 35441 + 427 = 35868
Step 85: 35868 + 427 = 36295
Step 86: 36295 + 427 = 36722
Step 87: 36722 + 427 = 37149
Step 88: 37149 + 427 = 37576
Step 89: 37576 + 427 = 38003
Step 90: 38003 + 427 = 38430
Step 91: 38430 + 427 = 38857
Step 92: 38857 + 427 = 39284
Step 93: 39284 + 427 = 39711
Step 94: 39711 + 427 = 40138
Step 95: 40138 + 427 = 40565
Step 96: 40565 + 427 = 40992
Step 97: 40992 + 427 = 41419
Step 98: 41419 + 427 = 41846
Step 99: 41846 + 427 = 42273
Step 100: 42273 + 427 = 42700
Step 101: 42700 + 427 = 43127
Step 102: 43127 + 427 = 43554
Step 103: 43554 + 427 = 43981
Step 104: 43981 + 427 = 44408
Step 105: 44408 + 427 = 44835
Step 106: 44835 + 427 = 45262
Step 107: 45262 + 427 = 45689
Step 108: 45689 + 427 = 46116
Step 109: 46116 + 427 = 46543
Step 110: 46543 + 427 = 46970
Step 111: 46970 + 427 = 47397
Step 112: 47397 + 427 = 47824
Step 113: 47824 + 427 = 48251
Step 114: 48251 + 427 = 48678
Step 115: 48678 + 427 = 49105
Step 116: 49105 + 427 = 49532
Step 117: 49532 + 427 = 49959
Step 118: 49959 + 427 = 50386
Step 119: 50386 + 427 = 50813
Step 120: 50813 + 427 = 51240
Step 121: 51240 + 427 = 51667
Step 122: 51667 + 427 = 52094
Step 123: 52094 + 427 = 52521
Step 124: 52521 + 427 = 52948
Step 125: 52948 + 427 = 53375
Step 126: 53375 + 427 = 53802
Step 127: 53802 + 427 = 54229
Step 128: 54229 + 427 = 54656
Step 129: 54656 + 427 = 55083
Step 130: 55083 + 427 = 55510
Step 131: 55510 + 427 = 55937
Step 132: 55937 + 427 = 56364
Step 133: 56364 + 427 = 56791
Step 134: 56791 + 427 = 57218
Step 135: 57218 + 427 = 57645
Step 136: 57645 + 427 = 58072
Step 137: 58072 + 427 = 58499
Step 138: 58499 + 427 = 58926
Step 139: 58926 + 427 = 59353
Step 140: 59353 + 427 = 59780
Step 141: 59780 + 427 = 60207
Step 142: 60207 + 427 = 60634
Step 143: 60634 + 427 = 61061
Step 144: 61061 + 427 = 61488
Step 145: 61488 + 427 = 61915
Step 146: 61915 + 427 = 62342
Step 147: 62342 + 427 = 62769
Step 148: 62769 + 427 = 63196
Step 149: 63196 + 427 = 63623
Step 150: 63623 + 427 = 64050
Step 151: 64050 + 427 = 64477
Step 152: 64477 + 427 = 64904
Step 153: 64904 + 427 = 65331
Step 154: 65331 + 427 = 65758
Step 155: 65758 + 427 = 66185
Step 156: 66185 + 427 = 66612
Step 157: 66612 + 427 = 67039
Step 158: 67039 + 427 = 67466
Step 159: 67466 + 427 = 67893
Step 160: 67893 + 427 = 68320
Step 161: 68320 + 427 = 68747
Step 162: 68747 + 427 = 69174
Step 163: 69174 + 427 = 69601
Step 164: 69601 + 427 = 70028
Step 165: 70028 + 427 = 70455
Step 166: 70455 + 427 = 70882
Step 167: 70882 + 427 = 71309
Step 168: 71309 + 427 = 71736
Step 169: 71736 + 427 = 72163
Step 170: 72163 + 427 = 72590
Step 171: 72590 + 427 = 73017
Step 172: 73017 + 427 = 73444
Step 173: 73444 + 427 = 73871
Step 174: 73871 + 427 = 74298
Step 175: 74298 + 427 = 74725
Step 176: 74725 + 427 = 75152
Step 177: 75152 + 427 = 75579
Step 178: 75579 + 427 = 76006
Step 179: 76006 + 427 = 76433
Step 180: 76433 + 427 = 76860
Step 181: 76860 + 427 = 77287
Step 182: 77287 + 427 = 77714
Step 183: 77714 + 427 = 78141
Step 184: 78141 + 427 = 78568
Step 185: 78568 + 427 = 78995
Step 186: 78995 + 427 = 79422
Step 187: 79422 + 427 = 79849
Step 188: 79849 + 427 = 80276
Step 189: 80276 + 427 = 80703
Step 190: 80703 + 427 = 81130
Step 191: 81130 + 427 = 81557
Step 192: 81557 + 427 = 81984
Step 193: 81984 + 427 = 82411
Step 194: 82411 + 427 = 82838
Step 195: 82838 + 427 = 83265
Step 196: 83265 + 427 = 83692
Step 197: 83692 + 427 = 84119
Step 198: 84119 + 427 = 84546
Step 199: 84546 + 427 = 84973
Step 200: 84973 + 427 = 85400
Step 201: 85400 + 427 = 85827
Step 202: 85827 + 427 = 86254
Step 203: 86254 + 427 = 86681
Step 204: 86681 + 427 = 87108
Step 205: 87108 + 427 = 87535
Step 206: 87535 + 427 = 87962
Step 207: 87962 + 427 = 88389
Step 208: 88389 + 427 = 88816
Step 209: 88816 + 427 = 89243
Step 210: 89243 + 427 = 89670
Step 211: 89670 + 427 = 90097
Step 212: 90097 + 427 = 90524
Step 213: 90524 + 427 = 90951
Step 214: 90951 + 427 = 91378
Step 215: 91378 + 427 = 91805
Step 216: 91805 + 427 = 92232
Step 217: 92232 + 427 = 92659
Step 218: 92659 + 427 = 93086
Step 219: 93086 + 427 = 93513
Step 220: 93513 + 427 = 93940
Step 221: 93940 + 427 = 94367
Step 222: 94367 + 427 = 94794
Step 223: 94794 + 427 = 95221
Step 224: 95221 + 427 = 95648
Step 225: 95648 + 427 = 96075
Step 226: 96075 + 427 = 96502
Step 227: 96502 + 427 = 96929
Step 228: 96929 + 427 = 97356
Step 229: 97356 + 427 = 97783
Step 230: 97783 + 427 = 98210
Step 231: 98210 + 427 = 98637
Step 232: 98637 + 427 = 99064
Step 233: 99064 + 427 = 99491
Step 234: 99491 + 427 = 99918
Step 235: 99918 + 427 = 100345
Step 236: 100345 + 427 = 100772
Step 237: 100772 + 427 = 101199
Step 238: 101199 + 427 = 101626
Step 239: 101626 + 427 = 102053
Step 240: 102053 + 427 = 102480
Step 241: 102480 + 427 = 102907
Step 242: 102907 + 427 = 103334
Step 243: 103334 + 427 = 103761
Step 244: 103761 + 427 = 104188
Step 245: 104188 + 427 = 104615
Step 246: 104615 + 427 = 105042
Step 247: 105042 + 427 = 105469
Step 248: 105469 + 427 = 105896
Step 249: 105896 + 427 = 106323
Step 250: 106323 + 427 = 106750
Step 251: 106750 + 427 = 107177
Step 252: 107177 + 427 = 107604
Step 253: 107604 + 427 = 108031
Step 254: 108031 + 427 = 108458
Step 255: 108458 + 427 = 108885
Step 256: 108885 + 427 = 109312
Step 257: 109312 + 427 = 109739
Step 258: 109739 + 427 = 110166
Step 259: 110166 + 427 = 110593
Step 260: 110593 + 427 = 111020
Step 261: 111020 + 427 = 111447
Step 262: 111447 + 427 = 111874
Step 263: 111874 + 427 = 112301
Step 264: 112301 + 427 = 112728
Step 265: 112728 + 427 = 113155
Step 266: 113155 + 427 = 113582
Step 267: 113582 + 427 = 114009
Step 268: 114009 + 427 = 114436
Step 269: 114436 + 427 = 114863
Step 270: 114863 + 427 = 115290
Step 271: 115290 + 427 = 115717
Step 272: 115717 + 427 = 116144
Step 273: 116144 + 427 = 116571
Step 274: 116571 + 427 = 116998
Step 275: 116998 + 427 = 117425
Step 276: 117425 + 427 = 117852
Step 277: 117852 + 427 = 118279
Step 278: 118279 + 427 = 118706
Step 279: 118706 + 427 = 119133
Step 280: 119133 + 427 = 119560
Step 281: 119560 + 427 = 119987
Step 282: 119987 + 427 = 120414
Step 283: 120414 + 427 = 120841
Step 284: 120841 + 427 = 121268
Step 285: 121268 + 427 = 121695
Step 286: 121695 + 427 = 122122
Step 287: 122122 + 427 = 122549
Step 288: 122549 + 427 = 122976
Step 289: 122976 + 427 = 123403
Step 290: 123403 + 427 = 123830
Step 291: 123830 + 427 = 124257
Step 292: 124257 + 427 = 124684
Step 293: 124684 + 427 = 125111
Step 294: 125111 + 427 = 125538
Step 295: 125538 + 427 = 125965
Step 296: 125965 + 427 = 126392
Step 297: 126392 + 427 = 126819
Step 298: 126819 + 427 = 127246
Step 299: 127246 + 427 = 127673
Step 300: 127673 + 427 = 128100
Step 301: 128100 + 427 = 128527
Step 302: 128527 + 427 = 128954
Step 303: 128954 + 427 = 129381
Step 304: 129381 + 427 = 129808
Step 305: 129808 + 427 = 130235
Step 306: 130235 + 427 = 130662
Step 307: 130662 + 427 = 131089

So, 427*307 = 131089