Sure thing, let's get straight to it. We start with 236 and we're going to multiply it by 428, which means adding 236 to itself 428 times.
Step 1: 0 + 236 = 236
Step 2: 236 + 236 = 472
Step 3: 472 + 236 = 708
Step 4: 708 + 236 = 944
Step 5: 944 + 236 = 1180
Step 6: 1180 + 236 = 1416
Step 7: 1416 + 236 = 1652
Step 8: 1652 + 236 = 1888
Step 9: 1888 + 236 = 2124
Step 10: 2124 + 236 = 2360
Step 11: 2360 + 236 = 2596
Step 12: 2596 + 236 = 2832
Step 13: 2832 + 236 = 3068
Step 14: 3068 + 236 = 3304
Step 15: 3304 + 236 = 3540
Step 16: 3540 + 236 = 3776
Step 17: 3776 + 236 = 4012
Step 18: 4012 + 236 = 4248
Step 19: 4248 + 236 = 4484
Step 20: 4484 + 236 = 4720
Step 21: 4720 + 236 = 4956
Step 22: 4956 + 236 = 5192
Step 23: 5192 + 236 = 5428
Step 24: 5428 + 236 = 5664
Step 25: 5664 + 236 = 5900
Step 26: 5900 + 236 = 6136
Step 27: 6136 + 236 = 6372
Step 28: 6372 + 236 = 6608
Step 29: 6608 + 236 = 6844
Step 30: 6844 + 236 = 7080
Step 31: 7080 + 236 = 7316
Step 32: 7316 + 236 = 7552
Step 33: 7552 + 236 = 7788
Step 34: 7788 + 236 = 8024
Step 35: 8024 + 236 = 8260
Step 36: 8260 + 236 = 8496
Step 37: 8496 + 236 = 8732
Step 38: 8732 + 236 = 8968
Step 39: 8968 + 236 = 9204
Step 40: 9204 + 236 = 9440
Step 41: 9440 + 236 = 9676
Step 42: 9676 + 236 = 9912
Step 43: 9912 + 236 = 10148
Step 44: 10148 + 236 = 10384
Step 45: 10384 + 236 = 10620
Step 46: 10620 + 236 = 10856
Step 47: 10856 + 236 = 11092
Step 48: 11092 + 236 = 11328
Step 49: 11328 + 236 = 11564
Step 50: 11564 + 236 = 11800
Step 51: 11800 + 236 = 12036
Step 52: 12036 + 236 = 12272
Step 53: 12272 + 236 = 12508
Step 54: 12508 + 236 = 12744
Step 55: 12744 + 236 = 12980
Step 56: 12980 + 236 = 13216
Step 57: 13216 + 236 = 13452
Step 58: 13452 + 236 = 13688
Step 59: 13688 + 236 = 13924
Step 60: 13924 + 236 = 14160
Step 61: 14160 + 236 = 14396
Step 62: 14396 + 236 = 14632
Step 63: 14632 + 236 = 14868
Step 64: 14868 + 236 = 15104
Step 65: 15104 + 236 = 15340
Step 66: 15340 + 236 = 15576
Step 67: 15576 + 236 = 15812
Step 68: 15812 + 236 = 16048
Step 69: 16048 + 236 = 16284
Step 70: 16284 + 236 = 16520
Step 71: 16520 + 236 = 16756
Step 72: 16756 + 236 = 16992
Step 73: 16992 + 236 = 17228
Step 74: 17228 + 236 = 17464
Step 75: 17464 + 236 = 17700
Step 76: 17700 + 236 = 17936
Step 77: 17936 + 236 = 18172
Step 78: 18172 + 236 = 18408
Step 79: 18408 + 236 = 18644
Step 80: 18644 + 236 = 18880
Step 81: 18880 + 236 = 19116
Step 82: 19116 + 236 = 19352
Step 83: 19352 + 236 = 19588
Step 84: 19588 + 236 = 19824
Step 85: 19824 + 236 = 20060
Step 86: 20060 + 236 = 20296
Step 87: 20296 + 236 = 20532
Step 88: 20532 + 236 = 20768
Step 89: 20768 + 236 = 21004
Step 90: 21004 + 236 = 21240
Step 91: 21240 + 236 = 21476
Step 92: 21476 + 236 = 21712
Step 93: 21712 + 236 = 21948
Step 94: 21948 + 236 = 22184
Step 95: 22184 + 236 = 22420
Step 96: 22420 + 236 = 22656
Step 97: 22656 + 236 = 22892
Step 98: 22892 + 236 = 23128
Step 99: 23128 + 236 = 23364
Step 100: 23364 + 236 = 23600
Step 101: 23600 + 236 = 23836
Step 102: 23836 + 236 = 24072
Step 103: 24072 + 236 = 24308
Step 104: 24308 + 236 = 24544
Step 105: 24544 + 236 = 24780
Step 106: 24780 + 236 = 25016
Step 107: 25016 + 236 = 25252
Step 108: 25252 + 236 = 25488
Step 109: 25488 + 236 = 25724
Step 110: 25724 + 236 = 25960
Step 111: 25960 + 236 = 26196
Step 112: 26196 + 236 = 26432
Step 113: 26432 + 236 = 26668
Step 114: 26668 + 236 = 26904
Step 115: 26904 + 236 = 27140
Step 116: 27140 + 236 = 27376
Step 117: 27376 + 236 = 27612
Step 118: 27612 + 236 = 27848
Step 119: 27848 + 236 = 28084
Step 120: 28084 + 236 = 28320
Step 121: 28320 + 236 = 28556
Step 122: 28556 + 236 = 28792
Step 123: 28792 + 236 = 29028
Step 124: 29028 + 236 = 29264
Step 125: 29264 + 236 = 29500
Step 126: 29500 + 236 = 29736
Step 127: 29736 + 236 = 29972
Step 128: 29972 + 236 = 30208
Step 129: 30208 + 236 = 30444
Step 130: 30444 + 236 = 30680
Step 131: 30680 + 236 = 30916
Step 132: 30916 + 236 = 31152
Step 133: 31152 + 236 = 31388
Step 134: 31388 + 236 = 31624
Step 135: 31624 + 236 = 31860
Step 136: 31860 + 236 = 32096
Step 137: 32096 + 236 = 32332
Step 138: 32332 + 236 = 32568
Step 139: 32568 + 236 = 32804
Step 140: 32804 + 236 = 33040
Step 141: 33040 + 236 = 33276
Step 142: 33276 + 236 = 33512
Step 143: 33512 + 236 = 33748
Step 144: 33748 + 236 = 33984
Step 145: 33984 + 236 = 34220
Step 146: 34220 + 236 = 34456
Step 147: 34456 + 236 = 34692
Step 148: 34692 + 236 = 34928
Step 149: 34928 + 236 = 35164
Step 150: 35164 + 236 = 35400
Step 151: 35400 + 236 = 35636
Step 152: 35636 + 236 = 35872
Step 153: 35872 + 236 = 36108
Step 154: 36108 + 236 = 36344
Step 155: 36344 + 236 = 36580
Step 156: 36580 + 236 = 36816
Step 157: 36816 + 236 = 37052
Step 158: 37052 + 236 = 37288
Step 159: 37288 + 236 = 37524
Step 160: 37524 + 236 = 37760
Step 161: 37760 + 236 = 37996
Step 162: 37996 + 236 = 38232
Step 163: 38232 + 236 = 38468
Step 164: 38468 + 236 = 38704
Step 165: 38704 + 236 = 38940
Step 166: 38940 + 236 = 39176
Step 167: 39176 + 236 = 39412
Step 168: 39412 + 236 = 39648
Step 169: 39648 + 236 = 39884
Step 170: 39884 + 236 = 40120
Step 171: 40120 + 236 = 40356
Step 172: 40356 + 236 = 40592
Step 173: 40592 + 236 = 40828
Step 174: 40828 + 236 = 41064
Step 175: 41064 + 236 = 41300
Step 176: 41300 + 236 = 41536
Step 177: 41536 + 236 = 41772
Step 178: 41772 + 236 = 42008
Step 179: 42008 + 236 = 42244
Step 180: 42244 + 236 = 42480
Step 181: 42480 + 236 = 42716
Step 182: 42716 + 236 = 42952
Step 183: 42952 + 236 = 43188
Step 184: 43188 + 236 = 43424
Step 185: 43424 + 236 = 43660
Step 186: 43660 + 236 = 43896
Step 187: 43896 + 236 = 44132
Step 188: 44132 + 236 = 44368
Step 189: 44368 + 236 = 44604
Step 190: 44604 + 236 = 44840
Step 191: 44840 + 236 = 45076
Step 192: 45076 + 236 = 45312
Step 193: 45312 + 236 = 45548
Step 194: 45548 + 236 = 45784
Step 195: 45784 + 236 = 46020
Step 196: 46020 + 236 = 46256
Step 197: 46256 + 236 = 46492
Step 198: 46492 + 236 = 46728
Step 199: 46728 + 236 = 46964
Step 200: 46964 + 236 = 47200
Step 201: 47200 + 236 = 47436
Step 202: 47436 + 236 = 47672
Step 203: 47672 + 236 = 47908
Step 204: 47908 + 236 = 48144
Step 205: 48144 + 236 = 48380
Step 206: 48380 + 236 = 48616
Step 207: 48616 + 236 = 48852
Step 208: 48852 + 236 = 49088
Step 209: 49088 + 236 = 49324
Step 210: 49324 + 236 = 49560
Step 211: 49560 + 236 = 49796
Step 212: 49796 + 236 = 50032
Step 213: 50032 + 236 = 50268
Step 214: 50268 + 236 = 50504
Step 215: 50504 + 236 = 50740
Step 216: 50740 + 236 = 50976
Step 217: 50976 + 236 = 51212
Step 218: 51212 + 236 = 51448
Step 219: 51448 + 236 = 51684
Step 220: 51684 + 236 = 51920
Step 221: 51920 + 236 = 52156
Step 222: 52156 + 236 = 52392
Step 223: 52392 + 236 = 52628
Step 224: 52628 + 236 = 52864
Step 225: 52864 + 236 = 53100
Step 226: 53100 + 236 = 53336
Step 227: 53336 + 236 = 53572
Step 228: 53572 + 236 = 53808
Step 229: 53808 + 236 = 54044
Step 230: 54044 + 236 = 54280
Step 231: 54280 + 236 = 54516
Step 232: 54516 + 236 = 54752
Step 233: 54752 + 236 = 54988
Step 234: 54988 + 236 = 55224
Step 235: 55224 + 236 = 55460
Step 236: 55460 + 236 = 55696
Step 237: 55696 + 236 = 55932
Step 238: 55932 + 236 = 56168
Step 239: 56168 + 236 = 56404
Step 240: 56404 + 236 = 56640
Step 241: 56640 + 236 = 56876
Step 242: 56876 + 236 = 57112
Step 243: 57112 + 236 = 57348
Step 244: 57348 + 236 = 57584
Step 245: 57584 + 236 = 57820
Step 246: 57820 + 236 = 58056
Step 247: 58056 + 236 = 58292
Step 248: 58292 + 236 = 58528
Step 249: 58528 + 236 = 58764
Step 250: 58764 + 236 = 59000
Step 251: 59000 + 236 = 59236
Step 252: 59236 + 236 = 59472
Step 253: 59472 + 236 = 59708
Step 254: 59708 + 236 = 59944
Step 255: 59944 + 236 = 60180
Step 256: 60180 + 236 = 60416
Step 257: 60416 + 236 = 60652
Step 258: 60652 + 236 = 60888
Step 259: 60888 + 236 = 61124
Step 260: 61124 + 236 = 61360
Step 261: 61360 + 236 = 61596
Step 262: 61596 + 236 = 61832
Step 263: 61832 + 236 = 62068
Step 264: 62068 + 236 = 62304
Step 265: 62304 + 236 = 62540
Step 266: 62540 + 236 = 62776
Step 267: 62776 + 236 = 63012
Step 268: 63012 + 236 = 63248
Step 269: 63248 + 236 = 63484
Step 270: 63484 + 236 = 63720
Step 271: 63720 + 236 = 63956
Step 272: 63956 + 236 = 64192
Step 273: 64192 + 236 = 64428
Step 274: 64428 + 236 = 64664
Step 275: 64664 + 236 = 64900
Step 276: 64900 + 236 = 65136
Step 277: 65136 + 236 = 65372
Step 278: 65372 + 236 = 65608
Step 279: 65608 + 236 = 65844
Step 280: 65844 + 236 = 66080
Step 281: 66080 + 236 = 66316
Step 282: 66316 + 236 = 66552
Step 283: 66552 + 236 = 66788
Step 284: 66788 + 236 = 67024
Step 285: 67024 + 236 = 67260
Step 286: 67260 + 236 = 67496
Step 287: 67496 + 236 = 67732
Step 288: 67732 + 236 = 67968
Step 289: 67968 + 236 = 68204
Step 290: 68204 + 236 = 68440
Step 291: 68440 + 236 = 68676
Step 292: 68676 + 236 = 68912
Step 293: 68912 + 236 = 69148
Step 294: 69148 + 236 = 69384
Step 295: 69384 + 236 = 69620
Step 296: 69620 + 236 = 69856
Step 297: 69856 + 236 = 70092
Step 298: 70092 + 236 = 70328
Step 299: 70328 + 236 = 70564
Step 300: 70564 + 236 = 70800
Step 301: 70800 + 236 = 71036
Step 302: 71036 + 236 = 71272
Step 303: 71272 + 236 = 71508
Step 304: 71508 + 236 = 71744
Step 305: 71744 + 236 = 71980
Step 306: 71980 + 236 = 72216
Step 307: 72216 + 236 = 72452
Step 308: 72452 + 236 = 72688
Step 309: 72688 + 236 = 72924
Step 310: 72924 + 236 = 73160
Step 311: 73160 + 236 = 73396
Step 312: 73396 + 236 = 73632
Step 313: 73632 + 236 = 73868
Step 314: 73868 + 236 = 74104
Step 315: 74104 + 236 = 74340
Step 316: 74340 + 236 = 74576
Step 317: 74576 + 236 = 74812
Step 318: 74812 + 236 = 75048
Step 319: 75048 + 236 = 75284
Step 320: 75284 + 236 = 75520
Step 321: 75520 + 236 = 75756
Step 322: 75756 + 236 = 75992
Step 323: 75992 + 236 = 76228
Step 324: 76228 + 236 = 76464
Step 325: 76464 + 236 = 76700
Step 326: 76700 + 236 = 76936
Step 327: 76936 + 236 = 77172
Step 328: 77172 + 236 = 77408
Step 329: 77408 + 236 = 77644
Step 330: 77644 + 236 = 77880
Step 331: 77880 + 236 = 78116
Step 332: 78116 + 236 = 78352
Step 333: 78352 + 236 = 78588
Step 334: 78588 + 236 = 78824
Step 335: 78824 + 236 = 79060
Step 336: 79060 + 236 = 79296
Step 337: 79296 + 236 = 79532
Step 338: 79532 + 236 = 79768
Step 339: 79768 + 236 = 80004
Step 340: 80004 + 236 = 80240
Step 341: 80240 + 236 = 80476
Step 342: 80476 + 236 = 80712
Step 343: 80712 + 236 = 80948
Step 344: 80948 + 236 = 81184
Step 345: 81184 + 236 = 81420
Step 346: 81420 + 236 = 81656
Step 347: 81656 + 236 = 81892
Step 348: 81892 + 236 = 82128
Step 349: 82128 + 236 = 82364
Step 350: 82364 + 236 = 82600
Step 351: 82600 + 236 = 82836
Step 352: 82836 + 236 = 83072
Step 353: 83072 + 236 = 83308
Step 354: 83308 + 236 = 83544
Step 355: 83544 + 236 = 83780
Step 356: 83780 + 236 = 84016
Step 357: 84016 + 236 = 84252
Step 358: 84252 + 236 = 84488
Step 359: 84488 + 236 = 84724
Step 360: 84724 + 236 = 84960
Step 361: 84960 + 236 = 85196
Step 362: 85196 + 236 = 85432
Step 363: 85432 + 236 = 85668
Step 364: 85668 + 236 = 85904
Step 365: 85904 + 236 = 86140
Step 366: 86140 + 236 = 86376
Step 367: 86376 + 236 = 86612
Step 368: 86612 + 236 = 86848
Step 369: 86848 + 236 = 87084
Step 370: 87084 + 236 = 87320
Step 371: 87320 + 236 = 87556
Step 372: 87556 + 236 = 87792
Step 373: 87792 + 236 = 88028
Step 374: 88028 + 236 = 88264
Step 375: 88264 + 236 = 88500
Step 376: 88500 + 236 = 88736
Step 377: 88736 + 236 = 88972
Step 378: 88972 + 236 = 89208
Step 379: 89208 + 236 = 89444
Step 380: 89444 + 236 = 89680
Step 381: 89680 + 236 = 89916
Step 382: 89916 + 236 = 90152
Step 383: 90152 + 236 = 90388
Step 384: 90388 + 236 = 90624
Step 385: 90624 + 236 = 90860
Step 386: 90860 + 236 = 91096
Step 387: 91096 + 236 = 91332
Step 388: 91332 + 236 = 91568
Step 389: 91568 + 236 = 91804
Step 390: 91804 + 236 = 92040
Step 391: 92040 + 236 = 92276
Step 392: 92276 + 236 = 92512
Step 393: 92512 + 236 = 92748
Step 394: 92748 + 236 = 92984
Step 395: 92984 + 236 = 93220
Step 396: 93220 + 236 = 93456
Step 397: 93456 + 236 = 93692
Step 398: 93692 + 236 = 93928
Step 399: 93928 + 236 = 94164
Step 400: 94164 + 236 = 94400
Step 401: 94400 + 236 = 94636
Step 402: 94636 + 236 = 94872
Step 403: 94872 + 236 = 95108
Step 404: 95108 + 236 = 95344
Step 405: 95344 + 236 = 95580
Step 406: 95580 + 236 = 95816
Step 407: 95816 + 236 = 96052
Step 408: 96052 + 236 = 96288
Step 409: 96288 + 236 = 96524
Step 410: 96524 + 236 = 96760
Step 411: 96760 + 236 = 96996
Step 412: 96996 + 236 = 97232
Step 413: 97232 + 236 = 97468
Step 414: 97468 + 236 = 97704
Step 415: 97704 + 236 = 97940
Step 416: 97940 + 236 = 98176
Step 417: 98176 + 236 = 98412
Step 418: 98412 + 236 = 98648
Step 419: 98648 + 236 = 98884
Step 420: 98884 + 236 = 99120
Step 421: 99120 + 236 = 99356
Step 422: 99356 + 236 = 99592
Step 423: 99592 + 236 = 99828
Step 424: 99828 + 236 = 100064
Step 425: 100064 + 236 = 100300
Step 426: 100300 + 236 = 100536
Step 427: 100536 + 236 = 100772
Step 428: 100772 + 236 = 101008

So, 236*428 = 101008