OK, let's crack this. We're given 205 and our task is to multiply it by 428. Essentially, we'll be adding 205 to itself 428 times.
Step 1: 0 + 205 = 205
Step 2: 205 + 205 = 410
Step 3: 410 + 205 = 615
Step 4: 615 + 205 = 820
Step 5: 820 + 205 = 1025
Step 6: 1025 + 205 = 1230
Step 7: 1230 + 205 = 1435
Step 8: 1435 + 205 = 1640
Step 9: 1640 + 205 = 1845
Step 10: 1845 + 205 = 2050
Step 11: 2050 + 205 = 2255
Step 12: 2255 + 205 = 2460
Step 13: 2460 + 205 = 2665
Step 14: 2665 + 205 = 2870
Step 15: 2870 + 205 = 3075
Step 16: 3075 + 205 = 3280
Step 17: 3280 + 205 = 3485
Step 18: 3485 + 205 = 3690
Step 19: 3690 + 205 = 3895
Step 20: 3895 + 205 = 4100
Step 21: 4100 + 205 = 4305
Step 22: 4305 + 205 = 4510
Step 23: 4510 + 205 = 4715
Step 24: 4715 + 205 = 4920
Step 25: 4920 + 205 = 5125
Step 26: 5125 + 205 = 5330
Step 27: 5330 + 205 = 5535
Step 28: 5535 + 205 = 5740
Step 29: 5740 + 205 = 5945
Step 30: 5945 + 205 = 6150
Step 31: 6150 + 205 = 6355
Step 32: 6355 + 205 = 6560
Step 33: 6560 + 205 = 6765
Step 34: 6765 + 205 = 6970
Step 35: 6970 + 205 = 7175
Step 36: 7175 + 205 = 7380
Step 37: 7380 + 205 = 7585
Step 38: 7585 + 205 = 7790
Step 39: 7790 + 205 = 7995
Step 40: 7995 + 205 = 8200
Step 41: 8200 + 205 = 8405
Step 42: 8405 + 205 = 8610
Step 43: 8610 + 205 = 8815
Step 44: 8815 + 205 = 9020
Step 45: 9020 + 205 = 9225
Step 46: 9225 + 205 = 9430
Step 47: 9430 + 205 = 9635
Step 48: 9635 + 205 = 9840
Step 49: 9840 + 205 = 10045
Step 50: 10045 + 205 = 10250
Step 51: 10250 + 205 = 10455
Step 52: 10455 + 205 = 10660
Step 53: 10660 + 205 = 10865
Step 54: 10865 + 205 = 11070
Step 55: 11070 + 205 = 11275
Step 56: 11275 + 205 = 11480
Step 57: 11480 + 205 = 11685
Step 58: 11685 + 205 = 11890
Step 59: 11890 + 205 = 12095
Step 60: 12095 + 205 = 12300
Step 61: 12300 + 205 = 12505
Step 62: 12505 + 205 = 12710
Step 63: 12710 + 205 = 12915
Step 64: 12915 + 205 = 13120
Step 65: 13120 + 205 = 13325
Step 66: 13325 + 205 = 13530
Step 67: 13530 + 205 = 13735
Step 68: 13735 + 205 = 13940
Step 69: 13940 + 205 = 14145
Step 70: 14145 + 205 = 14350
Step 71: 14350 + 205 = 14555
Step 72: 14555 + 205 = 14760
Step 73: 14760 + 205 = 14965
Step 74: 14965 + 205 = 15170
Step 75: 15170 + 205 = 15375
Step 76: 15375 + 205 = 15580
Step 77: 15580 + 205 = 15785
Step 78: 15785 + 205 = 15990
Step 79: 15990 + 205 = 16195
Step 80: 16195 + 205 = 16400
Step 81: 16400 + 205 = 16605
Step 82: 16605 + 205 = 16810
Step 83: 16810 + 205 = 17015
Step 84: 17015 + 205 = 17220
Step 85: 17220 + 205 = 17425
Step 86: 17425 + 205 = 17630
Step 87: 17630 + 205 = 17835
Step 88: 17835 + 205 = 18040
Step 89: 18040 + 205 = 18245
Step 90: 18245 + 205 = 18450
Step 91: 18450 + 205 = 18655
Step 92: 18655 + 205 = 18860
Step 93: 18860 + 205 = 19065
Step 94: 19065 + 205 = 19270
Step 95: 19270 + 205 = 19475
Step 96: 19475 + 205 = 19680
Step 97: 19680 + 205 = 19885
Step 98: 19885 + 205 = 20090
Step 99: 20090 + 205 = 20295
Step 100: 20295 + 205 = 20500
Step 101: 20500 + 205 = 20705
Step 102: 20705 + 205 = 20910
Step 103: 20910 + 205 = 21115
Step 104: 21115 + 205 = 21320
Step 105: 21320 + 205 = 21525
Step 106: 21525 + 205 = 21730
Step 107: 21730 + 205 = 21935
Step 108: 21935 + 205 = 22140
Step 109: 22140 + 205 = 22345
Step 110: 22345 + 205 = 22550
Step 111: 22550 + 205 = 22755
Step 112: 22755 + 205 = 22960
Step 113: 22960 + 205 = 23165
Step 114: 23165 + 205 = 23370
Step 115: 23370 + 205 = 23575
Step 116: 23575 + 205 = 23780
Step 117: 23780 + 205 = 23985
Step 118: 23985 + 205 = 24190
Step 119: 24190 + 205 = 24395
Step 120: 24395 + 205 = 24600
Step 121: 24600 + 205 = 24805
Step 122: 24805 + 205 = 25010
Step 123: 25010 + 205 = 25215
Step 124: 25215 + 205 = 25420
Step 125: 25420 + 205 = 25625
Step 126: 25625 + 205 = 25830
Step 127: 25830 + 205 = 26035
Step 128: 26035 + 205 = 26240
Step 129: 26240 + 205 = 26445
Step 130: 26445 + 205 = 26650
Step 131: 26650 + 205 = 26855
Step 132: 26855 + 205 = 27060
Step 133: 27060 + 205 = 27265
Step 134: 27265 + 205 = 27470
Step 135: 27470 + 205 = 27675
Step 136: 27675 + 205 = 27880
Step 137: 27880 + 205 = 28085
Step 138: 28085 + 205 = 28290
Step 139: 28290 + 205 = 28495
Step 140: 28495 + 205 = 28700
Step 141: 28700 + 205 = 28905
Step 142: 28905 + 205 = 29110
Step 143: 29110 + 205 = 29315
Step 144: 29315 + 205 = 29520
Step 145: 29520 + 205 = 29725
Step 146: 29725 + 205 = 29930
Step 147: 29930 + 205 = 30135
Step 148: 30135 + 205 = 30340
Step 149: 30340 + 205 = 30545
Step 150: 30545 + 205 = 30750
Step 151: 30750 + 205 = 30955
Step 152: 30955 + 205 = 31160
Step 153: 31160 + 205 = 31365
Step 154: 31365 + 205 = 31570
Step 155: 31570 + 205 = 31775
Step 156: 31775 + 205 = 31980
Step 157: 31980 + 205 = 32185
Step 158: 32185 + 205 = 32390
Step 159: 32390 + 205 = 32595
Step 160: 32595 + 205 = 32800
Step 161: 32800 + 205 = 33005
Step 162: 33005 + 205 = 33210
Step 163: 33210 + 205 = 33415
Step 164: 33415 + 205 = 33620
Step 165: 33620 + 205 = 33825
Step 166: 33825 + 205 = 34030
Step 167: 34030 + 205 = 34235
Step 168: 34235 + 205 = 34440
Step 169: 34440 + 205 = 34645
Step 170: 34645 + 205 = 34850
Step 171: 34850 + 205 = 35055
Step 172: 35055 + 205 = 35260
Step 173: 35260 + 205 = 35465
Step 174: 35465 + 205 = 35670
Step 175: 35670 + 205 = 35875
Step 176: 35875 + 205 = 36080
Step 177: 36080 + 205 = 36285
Step 178: 36285 + 205 = 36490
Step 179: 36490 + 205 = 36695
Step 180: 36695 + 205 = 36900
Step 181: 36900 + 205 = 37105
Step 182: 37105 + 205 = 37310
Step 183: 37310 + 205 = 37515
Step 184: 37515 + 205 = 37720
Step 185: 37720 + 205 = 37925
Step 186: 37925 + 205 = 38130
Step 187: 38130 + 205 = 38335
Step 188: 38335 + 205 = 38540
Step 189: 38540 + 205 = 38745
Step 190: 38745 + 205 = 38950
Step 191: 38950 + 205 = 39155
Step 192: 39155 + 205 = 39360
Step 193: 39360 + 205 = 39565
Step 194: 39565 + 205 = 39770
Step 195: 39770 + 205 = 39975
Step 196: 39975 + 205 = 40180
Step 197: 40180 + 205 = 40385
Step 198: 40385 + 205 = 40590
Step 199: 40590 + 205 = 40795
Step 200: 40795 + 205 = 41000
Step 201: 41000 + 205 = 41205
Step 202: 41205 + 205 = 41410
Step 203: 41410 + 205 = 41615
Step 204: 41615 + 205 = 41820
Step 205: 41820 + 205 = 42025
Step 206: 42025 + 205 = 42230
Step 207: 42230 + 205 = 42435
Step 208: 42435 + 205 = 42640
Step 209: 42640 + 205 = 42845
Step 210: 42845 + 205 = 43050
Step 211: 43050 + 205 = 43255
Step 212: 43255 + 205 = 43460
Step 213: 43460 + 205 = 43665
Step 214: 43665 + 205 = 43870
Step 215: 43870 + 205 = 44075
Step 216: 44075 + 205 = 44280
Step 217: 44280 + 205 = 44485
Step 218: 44485 + 205 = 44690
Step 219: 44690 + 205 = 44895
Step 220: 44895 + 205 = 45100
Step 221: 45100 + 205 = 45305
Step 222: 45305 + 205 = 45510
Step 223: 45510 + 205 = 45715
Step 224: 45715 + 205 = 45920
Step 225: 45920 + 205 = 46125
Step 226: 46125 + 205 = 46330
Step 227: 46330 + 205 = 46535
Step 228: 46535 + 205 = 46740
Step 229: 46740 + 205 = 46945
Step 230: 46945 + 205 = 47150
Step 231: 47150 + 205 = 47355
Step 232: 47355 + 205 = 47560
Step 233: 47560 + 205 = 47765
Step 234: 47765 + 205 = 47970
Step 235: 47970 + 205 = 48175
Step 236: 48175 + 205 = 48380
Step 237: 48380 + 205 = 48585
Step 238: 48585 + 205 = 48790
Step 239: 48790 + 205 = 48995
Step 240: 48995 + 205 = 49200
Step 241: 49200 + 205 = 49405
Step 242: 49405 + 205 = 49610
Step 243: 49610 + 205 = 49815
Step 244: 49815 + 205 = 50020
Step 245: 50020 + 205 = 50225
Step 246: 50225 + 205 = 50430
Step 247: 50430 + 205 = 50635
Step 248: 50635 + 205 = 50840
Step 249: 50840 + 205 = 51045
Step 250: 51045 + 205 = 51250
Step 251: 51250 + 205 = 51455
Step 252: 51455 + 205 = 51660
Step 253: 51660 + 205 = 51865
Step 254: 51865 + 205 = 52070
Step 255: 52070 + 205 = 52275
Step 256: 52275 + 205 = 52480
Step 257: 52480 + 205 = 52685
Step 258: 52685 + 205 = 52890
Step 259: 52890 + 205 = 53095
Step 260: 53095 + 205 = 53300
Step 261: 53300 + 205 = 53505
Step 262: 53505 + 205 = 53710
Step 263: 53710 + 205 = 53915
Step 264: 53915 + 205 = 54120
Step 265: 54120 + 205 = 54325
Step 266: 54325 + 205 = 54530
Step 267: 54530 + 205 = 54735
Step 268: 54735 + 205 = 54940
Step 269: 54940 + 205 = 55145
Step 270: 55145 + 205 = 55350
Step 271: 55350 + 205 = 55555
Step 272: 55555 + 205 = 55760
Step 273: 55760 + 205 = 55965
Step 274: 55965 + 205 = 56170
Step 275: 56170 + 205 = 56375
Step 276: 56375 + 205 = 56580
Step 277: 56580 + 205 = 56785
Step 278: 56785 + 205 = 56990
Step 279: 56990 + 205 = 57195
Step 280: 57195 + 205 = 57400
Step 281: 57400 + 205 = 57605
Step 282: 57605 + 205 = 57810
Step 283: 57810 + 205 = 58015
Step 284: 58015 + 205 = 58220
Step 285: 58220 + 205 = 58425
Step 286: 58425 + 205 = 58630
Step 287: 58630 + 205 = 58835
Step 288: 58835 + 205 = 59040
Step 289: 59040 + 205 = 59245
Step 290: 59245 + 205 = 59450
Step 291: 59450 + 205 = 59655
Step 292: 59655 + 205 = 59860
Step 293: 59860 + 205 = 60065
Step 294: 60065 + 205 = 60270
Step 295: 60270 + 205 = 60475
Step 296: 60475 + 205 = 60680
Step 297: 60680 + 205 = 60885
Step 298: 60885 + 205 = 61090
Step 299: 61090 + 205 = 61295
Step 300: 61295 + 205 = 61500
Step 301: 61500 + 205 = 61705
Step 302: 61705 + 205 = 61910
Step 303: 61910 + 205 = 62115
Step 304: 62115 + 205 = 62320
Step 305: 62320 + 205 = 62525
Step 306: 62525 + 205 = 62730
Step 307: 62730 + 205 = 62935
Step 308: 62935 + 205 = 63140
Step 309: 63140 + 205 = 63345
Step 310: 63345 + 205 = 63550
Step 311: 63550 + 205 = 63755
Step 312: 63755 + 205 = 63960
Step 313: 63960 + 205 = 64165
Step 314: 64165 + 205 = 64370
Step 315: 64370 + 205 = 64575
Step 316: 64575 + 205 = 64780
Step 317: 64780 + 205 = 64985
Step 318: 64985 + 205 = 65190
Step 319: 65190 + 205 = 65395
Step 320: 65395 + 205 = 65600
Step 321: 65600 + 205 = 65805
Step 322: 65805 + 205 = 66010
Step 323: 66010 + 205 = 66215
Step 324: 66215 + 205 = 66420
Step 325: 66420 + 205 = 66625
Step 326: 66625 + 205 = 66830
Step 327: 66830 + 205 = 67035
Step 328: 67035 + 205 = 67240
Step 329: 67240 + 205 = 67445
Step 330: 67445 + 205 = 67650
Step 331: 67650 + 205 = 67855
Step 332: 67855 + 205 = 68060
Step 333: 68060 + 205 = 68265
Step 334: 68265 + 205 = 68470
Step 335: 68470 + 205 = 68675
Step 336: 68675 + 205 = 68880
Step 337: 68880 + 205 = 69085
Step 338: 69085 + 205 = 69290
Step 339: 69290 + 205 = 69495
Step 340: 69495 + 205 = 69700
Step 341: 69700 + 205 = 69905
Step 342: 69905 + 205 = 70110
Step 343: 70110 + 205 = 70315
Step 344: 70315 + 205 = 70520
Step 345: 70520 + 205 = 70725
Step 346: 70725 + 205 = 70930
Step 347: 70930 + 205 = 71135
Step 348: 71135 + 205 = 71340
Step 349: 71340 + 205 = 71545
Step 350: 71545 + 205 = 71750
Step 351: 71750 + 205 = 71955
Step 352: 71955 + 205 = 72160
Step 353: 72160 + 205 = 72365
Step 354: 72365 + 205 = 72570
Step 355: 72570 + 205 = 72775
Step 356: 72775 + 205 = 72980
Step 357: 72980 + 205 = 73185
Step 358: 73185 + 205 = 73390
Step 359: 73390 + 205 = 73595
Step 360: 73595 + 205 = 73800
Step 361: 73800 + 205 = 74005
Step 362: 74005 + 205 = 74210
Step 363: 74210 + 205 = 74415
Step 364: 74415 + 205 = 74620
Step 365: 74620 + 205 = 74825
Step 366: 74825 + 205 = 75030
Step 367: 75030 + 205 = 75235
Step 368: 75235 + 205 = 75440
Step 369: 75440 + 205 = 75645
Step 370: 75645 + 205 = 75850
Step 371: 75850 + 205 = 76055
Step 372: 76055 + 205 = 76260
Step 373: 76260 + 205 = 76465
Step 374: 76465 + 205 = 76670
Step 375: 76670 + 205 = 76875
Step 376: 76875 + 205 = 77080
Step 377: 77080 + 205 = 77285
Step 378: 77285 + 205 = 77490
Step 379: 77490 + 205 = 77695
Step 380: 77695 + 205 = 77900
Step 381: 77900 + 205 = 78105
Step 382: 78105 + 205 = 78310
Step 383: 78310 + 205 = 78515
Step 384: 78515 + 205 = 78720
Step 385: 78720 + 205 = 78925
Step 386: 78925 + 205 = 79130
Step 387: 79130 + 205 = 79335
Step 388: 79335 + 205 = 79540
Step 389: 79540 + 205 = 79745
Step 390: 79745 + 205 = 79950
Step 391: 79950 + 205 = 80155
Step 392: 80155 + 205 = 80360
Step 393: 80360 + 205 = 80565
Step 394: 80565 + 205 = 80770
Step 395: 80770 + 205 = 80975
Step 396: 80975 + 205 = 81180
Step 397: 81180 + 205 = 81385
Step 398: 81385 + 205 = 81590
Step 399: 81590 + 205 = 81795
Step 400: 81795 + 205 = 82000
Step 401: 82000 + 205 = 82205
Step 402: 82205 + 205 = 82410
Step 403: 82410 + 205 = 82615
Step 404: 82615 + 205 = 82820
Step 405: 82820 + 205 = 83025
Step 406: 83025 + 205 = 83230
Step 407: 83230 + 205 = 83435
Step 408: 83435 + 205 = 83640
Step 409: 83640 + 205 = 83845
Step 410: 83845 + 205 = 84050
Step 411: 84050 + 205 = 84255
Step 412: 84255 + 205 = 84460
Step 413: 84460 + 205 = 84665
Step 414: 84665 + 205 = 84870
Step 415: 84870 + 205 = 85075
Step 416: 85075 + 205 = 85280
Step 417: 85280 + 205 = 85485
Step 418: 85485 + 205 = 85690
Step 419: 85690 + 205 = 85895
Step 420: 85895 + 205 = 86100
Step 421: 86100 + 205 = 86305
Step 422: 86305 + 205 = 86510
Step 423: 86510 + 205 = 86715
Step 424: 86715 + 205 = 86920
Step 425: 86920 + 205 = 87125
Step 426: 87125 + 205 = 87330
Step 427: 87330 + 205 = 87535
Step 428: 87535 + 205 = 87740

So, 205*428 = 87740