OK, let's work through this together. We're starting with 206 and we're going to multiply it by 426, which means we add 206 to itself 426 times.
Step 1: 0 + 206 = 206
Step 2: 206 + 206 = 412
Step 3: 412 + 206 = 618
Step 4: 618 + 206 = 824
Step 5: 824 + 206 = 1030
Step 6: 1030 + 206 = 1236
Step 7: 1236 + 206 = 1442
Step 8: 1442 + 206 = 1648
Step 9: 1648 + 206 = 1854
Step 10: 1854 + 206 = 2060
Step 11: 2060 + 206 = 2266
Step 12: 2266 + 206 = 2472
Step 13: 2472 + 206 = 2678
Step 14: 2678 + 206 = 2884
Step 15: 2884 + 206 = 3090
Step 16: 3090 + 206 = 3296
Step 17: 3296 + 206 = 3502
Step 18: 3502 + 206 = 3708
Step 19: 3708 + 206 = 3914
Step 20: 3914 + 206 = 4120
Step 21: 4120 + 206 = 4326
Step 22: 4326 + 206 = 4532
Step 23: 4532 + 206 = 4738
Step 24: 4738 + 206 = 4944
Step 25: 4944 + 206 = 5150
Step 26: 5150 + 206 = 5356
Step 27: 5356 + 206 = 5562
Step 28: 5562 + 206 = 5768
Step 29: 5768 + 206 = 5974
Step 30: 5974 + 206 = 6180
Step 31: 6180 + 206 = 6386
Step 32: 6386 + 206 = 6592
Step 33: 6592 + 206 = 6798
Step 34: 6798 + 206 = 7004
Step 35: 7004 + 206 = 7210
Step 36: 7210 + 206 = 7416
Step 37: 7416 + 206 = 7622
Step 38: 7622 + 206 = 7828
Step 39: 7828 + 206 = 8034
Step 40: 8034 + 206 = 8240
Step 41: 8240 + 206 = 8446
Step 42: 8446 + 206 = 8652
Step 43: 8652 + 206 = 8858
Step 44: 8858 + 206 = 9064
Step 45: 9064 + 206 = 9270
Step 46: 9270 + 206 = 9476
Step 47: 9476 + 206 = 9682
Step 48: 9682 + 206 = 9888
Step 49: 9888 + 206 = 10094
Step 50: 10094 + 206 = 10300
Step 51: 10300 + 206 = 10506
Step 52: 10506 + 206 = 10712
Step 53: 10712 + 206 = 10918
Step 54: 10918 + 206 = 11124
Step 55: 11124 + 206 = 11330
Step 56: 11330 + 206 = 11536
Step 57: 11536 + 206 = 11742
Step 58: 11742 + 206 = 11948
Step 59: 11948 + 206 = 12154
Step 60: 12154 + 206 = 12360
Step 61: 12360 + 206 = 12566
Step 62: 12566 + 206 = 12772
Step 63: 12772 + 206 = 12978
Step 64: 12978 + 206 = 13184
Step 65: 13184 + 206 = 13390
Step 66: 13390 + 206 = 13596
Step 67: 13596 + 206 = 13802
Step 68: 13802 + 206 = 14008
Step 69: 14008 + 206 = 14214
Step 70: 14214 + 206 = 14420
Step 71: 14420 + 206 = 14626
Step 72: 14626 + 206 = 14832
Step 73: 14832 + 206 = 15038
Step 74: 15038 + 206 = 15244
Step 75: 15244 + 206 = 15450
Step 76: 15450 + 206 = 15656
Step 77: 15656 + 206 = 15862
Step 78: 15862 + 206 = 16068
Step 79: 16068 + 206 = 16274
Step 80: 16274 + 206 = 16480
Step 81: 16480 + 206 = 16686
Step 82: 16686 + 206 = 16892
Step 83: 16892 + 206 = 17098
Step 84: 17098 + 206 = 17304
Step 85: 17304 + 206 = 17510
Step 86: 17510 + 206 = 17716
Step 87: 17716 + 206 = 17922
Step 88: 17922 + 206 = 18128
Step 89: 18128 + 206 = 18334
Step 90: 18334 + 206 = 18540
Step 91: 18540 + 206 = 18746
Step 92: 18746 + 206 = 18952
Step 93: 18952 + 206 = 19158
Step 94: 19158 + 206 = 19364
Step 95: 19364 + 206 = 19570
Step 96: 19570 + 206 = 19776
Step 97: 19776 + 206 = 19982
Step 98: 19982 + 206 = 20188
Step 99: 20188 + 206 = 20394
Step 100: 20394 + 206 = 20600
Step 101: 20600 + 206 = 20806
Step 102: 20806 + 206 = 21012
Step 103: 21012 + 206 = 21218
Step 104: 21218 + 206 = 21424
Step 105: 21424 + 206 = 21630
Step 106: 21630 + 206 = 21836
Step 107: 21836 + 206 = 22042
Step 108: 22042 + 206 = 22248
Step 109: 22248 + 206 = 22454
Step 110: 22454 + 206 = 22660
Step 111: 22660 + 206 = 22866
Step 112: 22866 + 206 = 23072
Step 113: 23072 + 206 = 23278
Step 114: 23278 + 206 = 23484
Step 115: 23484 + 206 = 23690
Step 116: 23690 + 206 = 23896
Step 117: 23896 + 206 = 24102
Step 118: 24102 + 206 = 24308
Step 119: 24308 + 206 = 24514
Step 120: 24514 + 206 = 24720
Step 121: 24720 + 206 = 24926
Step 122: 24926 + 206 = 25132
Step 123: 25132 + 206 = 25338
Step 124: 25338 + 206 = 25544
Step 125: 25544 + 206 = 25750
Step 126: 25750 + 206 = 25956
Step 127: 25956 + 206 = 26162
Step 128: 26162 + 206 = 26368
Step 129: 26368 + 206 = 26574
Step 130: 26574 + 206 = 26780
Step 131: 26780 + 206 = 26986
Step 132: 26986 + 206 = 27192
Step 133: 27192 + 206 = 27398
Step 134: 27398 + 206 = 27604
Step 135: 27604 + 206 = 27810
Step 136: 27810 + 206 = 28016
Step 137: 28016 + 206 = 28222
Step 138: 28222 + 206 = 28428
Step 139: 28428 + 206 = 28634
Step 140: 28634 + 206 = 28840
Step 141: 28840 + 206 = 29046
Step 142: 29046 + 206 = 29252
Step 143: 29252 + 206 = 29458
Step 144: 29458 + 206 = 29664
Step 145: 29664 + 206 = 29870
Step 146: 29870 + 206 = 30076
Step 147: 30076 + 206 = 30282
Step 148: 30282 + 206 = 30488
Step 149: 30488 + 206 = 30694
Step 150: 30694 + 206 = 30900
Step 151: 30900 + 206 = 31106
Step 152: 31106 + 206 = 31312
Step 153: 31312 + 206 = 31518
Step 154: 31518 + 206 = 31724
Step 155: 31724 + 206 = 31930
Step 156: 31930 + 206 = 32136
Step 157: 32136 + 206 = 32342
Step 158: 32342 + 206 = 32548
Step 159: 32548 + 206 = 32754
Step 160: 32754 + 206 = 32960
Step 161: 32960 + 206 = 33166
Step 162: 33166 + 206 = 33372
Step 163: 33372 + 206 = 33578
Step 164: 33578 + 206 = 33784
Step 165: 33784 + 206 = 33990
Step 166: 33990 + 206 = 34196
Step 167: 34196 + 206 = 34402
Step 168: 34402 + 206 = 34608
Step 169: 34608 + 206 = 34814
Step 170: 34814 + 206 = 35020
Step 171: 35020 + 206 = 35226
Step 172: 35226 + 206 = 35432
Step 173: 35432 + 206 = 35638
Step 174: 35638 + 206 = 35844
Step 175: 35844 + 206 = 36050
Step 176: 36050 + 206 = 36256
Step 177: 36256 + 206 = 36462
Step 178: 36462 + 206 = 36668
Step 179: 36668 + 206 = 36874
Step 180: 36874 + 206 = 37080
Step 181: 37080 + 206 = 37286
Step 182: 37286 + 206 = 37492
Step 183: 37492 + 206 = 37698
Step 184: 37698 + 206 = 37904
Step 185: 37904 + 206 = 38110
Step 186: 38110 + 206 = 38316
Step 187: 38316 + 206 = 38522
Step 188: 38522 + 206 = 38728
Step 189: 38728 + 206 = 38934
Step 190: 38934 + 206 = 39140
Step 191: 39140 + 206 = 39346
Step 192: 39346 + 206 = 39552
Step 193: 39552 + 206 = 39758
Step 194: 39758 + 206 = 39964
Step 195: 39964 + 206 = 40170
Step 196: 40170 + 206 = 40376
Step 197: 40376 + 206 = 40582
Step 198: 40582 + 206 = 40788
Step 199: 40788 + 206 = 40994
Step 200: 40994 + 206 = 41200
Step 201: 41200 + 206 = 41406
Step 202: 41406 + 206 = 41612
Step 203: 41612 + 206 = 41818
Step 204: 41818 + 206 = 42024
Step 205: 42024 + 206 = 42230
Step 206: 42230 + 206 = 42436
Step 207: 42436 + 206 = 42642
Step 208: 42642 + 206 = 42848
Step 209: 42848 + 206 = 43054
Step 210: 43054 + 206 = 43260
Step 211: 43260 + 206 = 43466
Step 212: 43466 + 206 = 43672
Step 213: 43672 + 206 = 43878
Step 214: 43878 + 206 = 44084
Step 215: 44084 + 206 = 44290
Step 216: 44290 + 206 = 44496
Step 217: 44496 + 206 = 44702
Step 218: 44702 + 206 = 44908
Step 219: 44908 + 206 = 45114
Step 220: 45114 + 206 = 45320
Step 221: 45320 + 206 = 45526
Step 222: 45526 + 206 = 45732
Step 223: 45732 + 206 = 45938
Step 224: 45938 + 206 = 46144
Step 225: 46144 + 206 = 46350
Step 226: 46350 + 206 = 46556
Step 227: 46556 + 206 = 46762
Step 228: 46762 + 206 = 46968
Step 229: 46968 + 206 = 47174
Step 230: 47174 + 206 = 47380
Step 231: 47380 + 206 = 47586
Step 232: 47586 + 206 = 47792
Step 233: 47792 + 206 = 47998
Step 234: 47998 + 206 = 48204
Step 235: 48204 + 206 = 48410
Step 236: 48410 + 206 = 48616
Step 237: 48616 + 206 = 48822
Step 238: 48822 + 206 = 49028
Step 239: 49028 + 206 = 49234
Step 240: 49234 + 206 = 49440
Step 241: 49440 + 206 = 49646
Step 242: 49646 + 206 = 49852
Step 243: 49852 + 206 = 50058
Step 244: 50058 + 206 = 50264
Step 245: 50264 + 206 = 50470
Step 246: 50470 + 206 = 50676
Step 247: 50676 + 206 = 50882
Step 248: 50882 + 206 = 51088
Step 249: 51088 + 206 = 51294
Step 250: 51294 + 206 = 51500
Step 251: 51500 + 206 = 51706
Step 252: 51706 + 206 = 51912
Step 253: 51912 + 206 = 52118
Step 254: 52118 + 206 = 52324
Step 255: 52324 + 206 = 52530
Step 256: 52530 + 206 = 52736
Step 257: 52736 + 206 = 52942
Step 258: 52942 + 206 = 53148
Step 259: 53148 + 206 = 53354
Step 260: 53354 + 206 = 53560
Step 261: 53560 + 206 = 53766
Step 262: 53766 + 206 = 53972
Step 263: 53972 + 206 = 54178
Step 264: 54178 + 206 = 54384
Step 265: 54384 + 206 = 54590
Step 266: 54590 + 206 = 54796
Step 267: 54796 + 206 = 55002
Step 268: 55002 + 206 = 55208
Step 269: 55208 + 206 = 55414
Step 270: 55414 + 206 = 55620
Step 271: 55620 + 206 = 55826
Step 272: 55826 + 206 = 56032
Step 273: 56032 + 206 = 56238
Step 274: 56238 + 206 = 56444
Step 275: 56444 + 206 = 56650
Step 276: 56650 + 206 = 56856
Step 277: 56856 + 206 = 57062
Step 278: 57062 + 206 = 57268
Step 279: 57268 + 206 = 57474
Step 280: 57474 + 206 = 57680
Step 281: 57680 + 206 = 57886
Step 282: 57886 + 206 = 58092
Step 283: 58092 + 206 = 58298
Step 284: 58298 + 206 = 58504
Step 285: 58504 + 206 = 58710
Step 286: 58710 + 206 = 58916
Step 287: 58916 + 206 = 59122
Step 288: 59122 + 206 = 59328
Step 289: 59328 + 206 = 59534
Step 290: 59534 + 206 = 59740
Step 291: 59740 + 206 = 59946
Step 292: 59946 + 206 = 60152
Step 293: 60152 + 206 = 60358
Step 294: 60358 + 206 = 60564
Step 295: 60564 + 206 = 60770
Step 296: 60770 + 206 = 60976
Step 297: 60976 + 206 = 61182
Step 298: 61182 + 206 = 61388
Step 299: 61388 + 206 = 61594
Step 300: 61594 + 206 = 61800
Step 301: 61800 + 206 = 62006
Step 302: 62006 + 206 = 62212
Step 303: 62212 + 206 = 62418
Step 304: 62418 + 206 = 62624
Step 305: 62624 + 206 = 62830
Step 306: 62830 + 206 = 63036
Step 307: 63036 + 206 = 63242
Step 308: 63242 + 206 = 63448
Step 309: 63448 + 206 = 63654
Step 310: 63654 + 206 = 63860
Step 311: 63860 + 206 = 64066
Step 312: 64066 + 206 = 64272
Step 313: 64272 + 206 = 64478
Step 314: 64478 + 206 = 64684
Step 315: 64684 + 206 = 64890
Step 316: 64890 + 206 = 65096
Step 317: 65096 + 206 = 65302
Step 318: 65302 + 206 = 65508
Step 319: 65508 + 206 = 65714
Step 320: 65714 + 206 = 65920
Step 321: 65920 + 206 = 66126
Step 322: 66126 + 206 = 66332
Step 323: 66332 + 206 = 66538
Step 324: 66538 + 206 = 66744
Step 325: 66744 + 206 = 66950
Step 326: 66950 + 206 = 67156
Step 327: 67156 + 206 = 67362
Step 328: 67362 + 206 = 67568
Step 329: 67568 + 206 = 67774
Step 330: 67774 + 206 = 67980
Step 331: 67980 + 206 = 68186
Step 332: 68186 + 206 = 68392
Step 333: 68392 + 206 = 68598
Step 334: 68598 + 206 = 68804
Step 335: 68804 + 206 = 69010
Step 336: 69010 + 206 = 69216
Step 337: 69216 + 206 = 69422
Step 338: 69422 + 206 = 69628
Step 339: 69628 + 206 = 69834
Step 340: 69834 + 206 = 70040
Step 341: 70040 + 206 = 70246
Step 342: 70246 + 206 = 70452
Step 343: 70452 + 206 = 70658
Step 344: 70658 + 206 = 70864
Step 345: 70864 + 206 = 71070
Step 346: 71070 + 206 = 71276
Step 347: 71276 + 206 = 71482
Step 348: 71482 + 206 = 71688
Step 349: 71688 + 206 = 71894
Step 350: 71894 + 206 = 72100
Step 351: 72100 + 206 = 72306
Step 352: 72306 + 206 = 72512
Step 353: 72512 + 206 = 72718
Step 354: 72718 + 206 = 72924
Step 355: 72924 + 206 = 73130
Step 356: 73130 + 206 = 73336
Step 357: 73336 + 206 = 73542
Step 358: 73542 + 206 = 73748
Step 359: 73748 + 206 = 73954
Step 360: 73954 + 206 = 74160
Step 361: 74160 + 206 = 74366
Step 362: 74366 + 206 = 74572
Step 363: 74572 + 206 = 74778
Step 364: 74778 + 206 = 74984
Step 365: 74984 + 206 = 75190
Step 366: 75190 + 206 = 75396
Step 367: 75396 + 206 = 75602
Step 368: 75602 + 206 = 75808
Step 369: 75808 + 206 = 76014
Step 370: 76014 + 206 = 76220
Step 371: 76220 + 206 = 76426
Step 372: 76426 + 206 = 76632
Step 373: 76632 + 206 = 76838
Step 374: 76838 + 206 = 77044
Step 375: 77044 + 206 = 77250
Step 376: 77250 + 206 = 77456
Step 377: 77456 + 206 = 77662
Step 378: 77662 + 206 = 77868
Step 379: 77868 + 206 = 78074
Step 380: 78074 + 206 = 78280
Step 381: 78280 + 206 = 78486
Step 382: 78486 + 206 = 78692
Step 383: 78692 + 206 = 78898
Step 384: 78898 + 206 = 79104
Step 385: 79104 + 206 = 79310
Step 386: 79310 + 206 = 79516
Step 387: 79516 + 206 = 79722
Step 388: 79722 + 206 = 79928
Step 389: 79928 + 206 = 80134
Step 390: 80134 + 206 = 80340
Step 391: 80340 + 206 = 80546
Step 392: 80546 + 206 = 80752
Step 393: 80752 + 206 = 80958
Step 394: 80958 + 206 = 81164
Step 395: 81164 + 206 = 81370
Step 396: 81370 + 206 = 81576
Step 397: 81576 + 206 = 81782
Step 398: 81782 + 206 = 81988
Step 399: 81988 + 206 = 82194
Step 400: 82194 + 206 = 82400
Step 401: 82400 + 206 = 82606
Step 402: 82606 + 206 = 82812
Step 403: 82812 + 206 = 83018
Step 404: 83018 + 206 = 83224
Step 405: 83224 + 206 = 83430
Step 406: 83430 + 206 = 83636
Step 407: 83636 + 206 = 83842
Step 408: 83842 + 206 = 84048
Step 409: 84048 + 206 = 84254
Step 410: 84254 + 206 = 84460
Step 411: 84460 + 206 = 84666
Step 412: 84666 + 206 = 84872
Step 413: 84872 + 206 = 85078
Step 414: 85078 + 206 = 85284
Step 415: 85284 + 206 = 85490
Step 416: 85490 + 206 = 85696
Step 417: 85696 + 206 = 85902
Step 418: 85902 + 206 = 86108
Step 419: 86108 + 206 = 86314
Step 420: 86314 + 206 = 86520
Step 421: 86520 + 206 = 86726
Step 422: 86726 + 206 = 86932
Step 423: 86932 + 206 = 87138
Step 424: 87138 + 206 = 87344
Step 425: 87344 + 206 = 87550
Step 426: 87550 + 206 = 87756

So, 206*426 = 87756