Sure thing! We've got 13 and we're gonna multiply it by 427. That's the same as adding 13 to itself 427 times.
Step 1: 0 + 13 = 13
Step 2: 13 + 13 = 26
Step 3: 26 + 13 = 39
Step 4: 39 + 13 = 52
Step 5: 52 + 13 = 65
Step 6: 65 + 13 = 78
Step 7: 78 + 13 = 91
Step 8: 91 + 13 = 104
Step 9: 104 + 13 = 117
Step 10: 117 + 13 = 130
Step 11: 130 + 13 = 143
Step 12: 143 + 13 = 156
Step 13: 156 + 13 = 169
Step 14: 169 + 13 = 182
Step 15: 182 + 13 = 195
Step 16: 195 + 13 = 208
Step 17: 208 + 13 = 221
Step 18: 221 + 13 = 234
Step 19: 234 + 13 = 247
Step 20: 247 + 13 = 260
Step 21: 260 + 13 = 273
Step 22: 273 + 13 = 286
Step 23: 286 + 13 = 299
Step 24: 299 + 13 = 312
Step 25: 312 + 13 = 325
Step 26: 325 + 13 = 338
Step 27: 338 + 13 = 351
Step 28: 351 + 13 = 364
Step 29: 364 + 13 = 377
Step 30: 377 + 13 = 390
Step 31: 390 + 13 = 403
Step 32: 403 + 13 = 416
Step 33: 416 + 13 = 429
Step 34: 429 + 13 = 442
Step 35: 442 + 13 = 455
Step 36: 455 + 13 = 468
Step 37: 468 + 13 = 481
Step 38: 481 + 13 = 494
Step 39: 494 + 13 = 507
Step 40: 507 + 13 = 520
Step 41: 520 + 13 = 533
Step 42: 533 + 13 = 546
Step 43: 546 + 13 = 559
Step 44: 559 + 13 = 572
Step 45: 572 + 13 = 585
Step 46: 585 + 13 = 598
Step 47: 598 + 13 = 611
Step 48: 611 + 13 = 624
Step 49: 624 + 13 = 637
Step 50: 637 + 13 = 650
Step 51: 650 + 13 = 663
Step 52: 663 + 13 = 676
Step 53: 676 + 13 = 689
Step 54: 689 + 13 = 702
Step 55: 702 + 13 = 715
Step 56: 715 + 13 = 728
Step 57: 728 + 13 = 741
Step 58: 741 + 13 = 754
Step 59: 754 + 13 = 767
Step 60: 767 + 13 = 780
Step 61: 780 + 13 = 793
Step 62: 793 + 13 = 806
Step 63: 806 + 13 = 819
Step 64: 819 + 13 = 832
Step 65: 832 + 13 = 845
Step 66: 845 + 13 = 858
Step 67: 858 + 13 = 871
Step 68: 871 + 13 = 884
Step 69: 884 + 13 = 897
Step 70: 897 + 13 = 910
Step 71: 910 + 13 = 923
Step 72: 923 + 13 = 936
Step 73: 936 + 13 = 949
Step 74: 949 + 13 = 962
Step 75: 962 + 13 = 975
Step 76: 975 + 13 = 988
Step 77: 988 + 13 = 1001
Step 78: 1001 + 13 = 1014
Step 79: 1014 + 13 = 1027
Step 80: 1027 + 13 = 1040
Step 81: 1040 + 13 = 1053
Step 82: 1053 + 13 = 1066
Step 83: 1066 + 13 = 1079
Step 84: 1079 + 13 = 1092
Step 85: 1092 + 13 = 1105
Step 86: 1105 + 13 = 1118
Step 87: 1118 + 13 = 1131
Step 88: 1131 + 13 = 1144
Step 89: 1144 + 13 = 1157
Step 90: 1157 + 13 = 1170
Step 91: 1170 + 13 = 1183
Step 92: 1183 + 13 = 1196
Step 93: 1196 + 13 = 1209
Step 94: 1209 + 13 = 1222
Step 95: 1222 + 13 = 1235
Step 96: 1235 + 13 = 1248
Step 97: 1248 + 13 = 1261
Step 98: 1261 + 13 = 1274
Step 99: 1274 + 13 = 1287
Step 100: 1287 + 13 = 1300
Step 101: 1300 + 13 = 1313
Step 102: 1313 + 13 = 1326
Step 103: 1326 + 13 = 1339
Step 104: 1339 + 13 = 1352
Step 105: 1352 + 13 = 1365
Step 106: 1365 + 13 = 1378
Step 107: 1378 + 13 = 1391
Step 108: 1391 + 13 = 1404
Step 109: 1404 + 13 = 1417
Step 110: 1417 + 13 = 1430
Step 111: 1430 + 13 = 1443
Step 112: 1443 + 13 = 1456
Step 113: 1456 + 13 = 1469
Step 114: 1469 + 13 = 1482
Step 115: 1482 + 13 = 1495
Step 116: 1495 + 13 = 1508
Step 117: 1508 + 13 = 1521
Step 118: 1521 + 13 = 1534
Step 119: 1534 + 13 = 1547
Step 120: 1547 + 13 = 1560
Step 121: 1560 + 13 = 1573
Step 122: 1573 + 13 = 1586
Step 123: 1586 + 13 = 1599
Step 124: 1599 + 13 = 1612
Step 125: 1612 + 13 = 1625
Step 126: 1625 + 13 = 1638
Step 127: 1638 + 13 = 1651
Step 128: 1651 + 13 = 1664
Step 129: 1664 + 13 = 1677
Step 130: 1677 + 13 = 1690
Step 131: 1690 + 13 = 1703
Step 132: 1703 + 13 = 1716
Step 133: 1716 + 13 = 1729
Step 134: 1729 + 13 = 1742
Step 135: 1742 + 13 = 1755
Step 136: 1755 + 13 = 1768
Step 137: 1768 + 13 = 1781
Step 138: 1781 + 13 = 1794
Step 139: 1794 + 13 = 1807
Step 140: 1807 + 13 = 1820
Step 141: 1820 + 13 = 1833
Step 142: 1833 + 13 = 1846
Step 143: 1846 + 13 = 1859
Step 144: 1859 + 13 = 1872
Step 145: 1872 + 13 = 1885
Step 146: 1885 + 13 = 1898
Step 147: 1898 + 13 = 1911
Step 148: 1911 + 13 = 1924
Step 149: 1924 + 13 = 1937
Step 150: 1937 + 13 = 1950
Step 151: 1950 + 13 = 1963
Step 152: 1963 + 13 = 1976
Step 153: 1976 + 13 = 1989
Step 154: 1989 + 13 = 2002
Step 155: 2002 + 13 = 2015
Step 156: 2015 + 13 = 2028
Step 157: 2028 + 13 = 2041
Step 158: 2041 + 13 = 2054
Step 159: 2054 + 13 = 2067
Step 160: 2067 + 13 = 2080
Step 161: 2080 + 13 = 2093
Step 162: 2093 + 13 = 2106
Step 163: 2106 + 13 = 2119
Step 164: 2119 + 13 = 2132
Step 165: 2132 + 13 = 2145
Step 166: 2145 + 13 = 2158
Step 167: 2158 + 13 = 2171
Step 168: 2171 + 13 = 2184
Step 169: 2184 + 13 = 2197
Step 170: 2197 + 13 = 2210
Step 171: 2210 + 13 = 2223
Step 172: 2223 + 13 = 2236
Step 173: 2236 + 13 = 2249
Step 174: 2249 + 13 = 2262
Step 175: 2262 + 13 = 2275
Step 176: 2275 + 13 = 2288
Step 177: 2288 + 13 = 2301
Step 178: 2301 + 13 = 2314
Step 179: 2314 + 13 = 2327
Step 180: 2327 + 13 = 2340
Step 181: 2340 + 13 = 2353
Step 182: 2353 + 13 = 2366
Step 183: 2366 + 13 = 2379
Step 184: 2379 + 13 = 2392
Step 185: 2392 + 13 = 2405
Step 186: 2405 + 13 = 2418
Step 187: 2418 + 13 = 2431
Step 188: 2431 + 13 = 2444
Step 189: 2444 + 13 = 2457
Step 190: 2457 + 13 = 2470
Step 191: 2470 + 13 = 2483
Step 192: 2483 + 13 = 2496
Step 193: 2496 + 13 = 2509
Step 194: 2509 + 13 = 2522
Step 195: 2522 + 13 = 2535
Step 196: 2535 + 13 = 2548
Step 197: 2548 + 13 = 2561
Step 198: 2561 + 13 = 2574
Step 199: 2574 + 13 = 2587
Step 200: 2587 + 13 = 2600
Step 201: 2600 + 13 = 2613
Step 202: 2613 + 13 = 2626
Step 203: 2626 + 13 = 2639
Step 204: 2639 + 13 = 2652
Step 205: 2652 + 13 = 2665
Step 206: 2665 + 13 = 2678
Step 207: 2678 + 13 = 2691
Step 208: 2691 + 13 = 2704
Step 209: 2704 + 13 = 2717
Step 210: 2717 + 13 = 2730
Step 211: 2730 + 13 = 2743
Step 212: 2743 + 13 = 2756
Step 213: 2756 + 13 = 2769
Step 214: 2769 + 13 = 2782
Step 215: 2782 + 13 = 2795
Step 216: 2795 + 13 = 2808
Step 217: 2808 + 13 = 2821
Step 218: 2821 + 13 = 2834
Step 219: 2834 + 13 = 2847
Step 220: 2847 + 13 = 2860
Step 221: 2860 + 13 = 2873
Step 222: 2873 + 13 = 2886
Step 223: 2886 + 13 = 2899
Step 224: 2899 + 13 = 2912
Step 225: 2912 + 13 = 2925
Step 226: 2925 + 13 = 2938
Step 227: 2938 + 13 = 2951
Step 228: 2951 + 13 = 2964
Step 229: 2964 + 13 = 2977
Step 230: 2977 + 13 = 2990
Step 231: 2990 + 13 = 3003
Step 232: 3003 + 13 = 3016
Step 233: 3016 + 13 = 3029
Step 234: 3029 + 13 = 3042
Step 235: 3042 + 13 = 3055
Step 236: 3055 + 13 = 3068
Step 237: 3068 + 13 = 3081
Step 238: 3081 + 13 = 3094
Step 239: 3094 + 13 = 3107
Step 240: 3107 + 13 = 3120
Step 241: 3120 + 13 = 3133
Step 242: 3133 + 13 = 3146
Step 243: 3146 + 13 = 3159
Step 244: 3159 + 13 = 3172
Step 245: 3172 + 13 = 3185
Step 246: 3185 + 13 = 3198
Step 247: 3198 + 13 = 3211
Step 248: 3211 + 13 = 3224
Step 249: 3224 + 13 = 3237
Step 250: 3237 + 13 = 3250
Step 251: 3250 + 13 = 3263
Step 252: 3263 + 13 = 3276
Step 253: 3276 + 13 = 3289
Step 254: 3289 + 13 = 3302
Step 255: 3302 + 13 = 3315
Step 256: 3315 + 13 = 3328
Step 257: 3328 + 13 = 3341
Step 258: 3341 + 13 = 3354
Step 259: 3354 + 13 = 3367
Step 260: 3367 + 13 = 3380
Step 261: 3380 + 13 = 3393
Step 262: 3393 + 13 = 3406
Step 263: 3406 + 13 = 3419
Step 264: 3419 + 13 = 3432
Step 265: 3432 + 13 = 3445
Step 266: 3445 + 13 = 3458
Step 267: 3458 + 13 = 3471
Step 268: 3471 + 13 = 3484
Step 269: 3484 + 13 = 3497
Step 270: 3497 + 13 = 3510
Step 271: 3510 + 13 = 3523
Step 272: 3523 + 13 = 3536
Step 273: 3536 + 13 = 3549
Step 274: 3549 + 13 = 3562
Step 275: 3562 + 13 = 3575
Step 276: 3575 + 13 = 3588
Step 277: 3588 + 13 = 3601
Step 278: 3601 + 13 = 3614
Step 279: 3614 + 13 = 3627
Step 280: 3627 + 13 = 3640
Step 281: 3640 + 13 = 3653
Step 282: 3653 + 13 = 3666
Step 283: 3666 + 13 = 3679
Step 284: 3679 + 13 = 3692
Step 285: 3692 + 13 = 3705
Step 286: 3705 + 13 = 3718
Step 287: 3718 + 13 = 3731
Step 288: 3731 + 13 = 3744
Step 289: 3744 + 13 = 3757
Step 290: 3757 + 13 = 3770
Step 291: 3770 + 13 = 3783
Step 292: 3783 + 13 = 3796
Step 293: 3796 + 13 = 3809
Step 294: 3809 + 13 = 3822
Step 295: 3822 + 13 = 3835
Step 296: 3835 + 13 = 3848
Step 297: 3848 + 13 = 3861
Step 298: 3861 + 13 = 3874
Step 299: 3874 + 13 = 3887
Step 300: 3887 + 13 = 3900
Step 301: 3900 + 13 = 3913
Step 302: 3913 + 13 = 3926
Step 303: 3926 + 13 = 3939
Step 304: 3939 + 13 = 3952
Step 305: 3952 + 13 = 3965
Step 306: 3965 + 13 = 3978
Step 307: 3978 + 13 = 3991
Step 308: 3991 + 13 = 4004
Step 309: 4004 + 13 = 4017
Step 310: 4017 + 13 = 4030
Step 311: 4030 + 13 = 4043
Step 312: 4043 + 13 = 4056
Step 313: 4056 + 13 = 4069
Step 314: 4069 + 13 = 4082
Step 315: 4082 + 13 = 4095
Step 316: 4095 + 13 = 4108
Step 317: 4108 + 13 = 4121
Step 318: 4121 + 13 = 4134
Step 319: 4134 + 13 = 4147
Step 320: 4147 + 13 = 4160
Step 321: 4160 + 13 = 4173
Step 322: 4173 + 13 = 4186
Step 323: 4186 + 13 = 4199
Step 324: 4199 + 13 = 4212
Step 325: 4212 + 13 = 4225
Step 326: 4225 + 13 = 4238
Step 327: 4238 + 13 = 4251
Step 328: 4251 + 13 = 4264
Step 329: 4264 + 13 = 4277
Step 330: 4277 + 13 = 4290
Step 331: 4290 + 13 = 4303
Step 332: 4303 + 13 = 4316
Step 333: 4316 + 13 = 4329
Step 334: 4329 + 13 = 4342
Step 335: 4342 + 13 = 4355
Step 336: 4355 + 13 = 4368
Step 337: 4368 + 13 = 4381
Step 338: 4381 + 13 = 4394
Step 339: 4394 + 13 = 4407
Step 340: 4407 + 13 = 4420
Step 341: 4420 + 13 = 4433
Step 342: 4433 + 13 = 4446
Step 343: 4446 + 13 = 4459
Step 344: 4459 + 13 = 4472
Step 345: 4472 + 13 = 4485
Step 346: 4485 + 13 = 4498
Step 347: 4498 + 13 = 4511
Step 348: 4511 + 13 = 4524
Step 349: 4524 + 13 = 4537
Step 350: 4537 + 13 = 4550
Step 351: 4550 + 13 = 4563
Step 352: 4563 + 13 = 4576
Step 353: 4576 + 13 = 4589
Step 354: 4589 + 13 = 4602
Step 355: 4602 + 13 = 4615
Step 356: 4615 + 13 = 4628
Step 357: 4628 + 13 = 4641
Step 358: 4641 + 13 = 4654
Step 359: 4654 + 13 = 4667
Step 360: 4667 + 13 = 4680
Step 361: 4680 + 13 = 4693
Step 362: 4693 + 13 = 4706
Step 363: 4706 + 13 = 4719
Step 364: 4719 + 13 = 4732
Step 365: 4732 + 13 = 4745
Step 366: 4745 + 13 = 4758
Step 367: 4758 + 13 = 4771
Step 368: 4771 + 13 = 4784
Step 369: 4784 + 13 = 4797
Step 370: 4797 + 13 = 4810
Step 371: 4810 + 13 = 4823
Step 372: 4823 + 13 = 4836
Step 373: 4836 + 13 = 4849
Step 374: 4849 + 13 = 4862
Step 375: 4862 + 13 = 4875
Step 376: 4875 + 13 = 4888
Step 377: 4888 + 13 = 4901
Step 378: 4901 + 13 = 4914
Step 379: 4914 + 13 = 4927
Step 380: 4927 + 13 = 4940
Step 381: 4940 + 13 = 4953
Step 382: 4953 + 13 = 4966
Step 383: 4966 + 13 = 4979
Step 384: 4979 + 13 = 4992
Step 385: 4992 + 13 = 5005
Step 386: 5005 + 13 = 5018
Step 387: 5018 + 13 = 5031
Step 388: 5031 + 13 = 5044
Step 389: 5044 + 13 = 5057
Step 390: 5057 + 13 = 5070
Step 391: 5070 + 13 = 5083
Step 392: 5083 + 13 = 5096
Step 393: 5096 + 13 = 5109
Step 394: 5109 + 13 = 5122
Step 395: 5122 + 13 = 5135
Step 396: 5135 + 13 = 5148
Step 397: 5148 + 13 = 5161
Step 398: 5161 + 13 = 5174
Step 399: 5174 + 13 = 5187
Step 400: 5187 + 13 = 5200
Step 401: 5200 + 13 = 5213
Step 402: 5213 + 13 = 5226
Step 403: 5226 + 13 = 5239
Step 404: 5239 + 13 = 5252
Step 405: 5252 + 13 = 5265
Step 406: 5265 + 13 = 5278
Step 407: 5278 + 13 = 5291
Step 408: 5291 + 13 = 5304
Step 409: 5304 + 13 = 5317
Step 410: 5317 + 13 = 5330
Step 411: 5330 + 13 = 5343
Step 412: 5343 + 13 = 5356
Step 413: 5356 + 13 = 5369
Step 414: 5369 + 13 = 5382
Step 415: 5382 + 13 = 5395
Step 416: 5395 + 13 = 5408
Step 417: 5408 + 13 = 5421
Step 418: 5421 + 13 = 5434
Step 419: 5434 + 13 = 5447
Step 420: 5447 + 13 = 5460
Step 421: 5460 + 13 = 5473
Step 422: 5473 + 13 = 5486
Step 423: 5486 + 13 = 5499
Step 424: 5499 + 13 = 5512
Step 425: 5512 + 13 = 5525
Step 426: 5525 + 13 = 5538
Step 427: 5538 + 13 = 5551

So, 13*427 = 5551