Let's roll up our sleeves and solve this. We have 286 and we're going to multiply it by 254, essentially adding 286 to itself 254 times.
Step 1: 0 + 286 = 286
Step 2: 286 + 286 = 572
Step 3: 572 + 286 = 858
Step 4: 858 + 286 = 1144
Step 5: 1144 + 286 = 1430
Step 6: 1430 + 286 = 1716
Step 7: 1716 + 286 = 2002
Step 8: 2002 + 286 = 2288
Step 9: 2288 + 286 = 2574
Step 10: 2574 + 286 = 2860
Step 11: 2860 + 286 = 3146
Step 12: 3146 + 286 = 3432
Step 13: 3432 + 286 = 3718
Step 14: 3718 + 286 = 4004
Step 15: 4004 + 286 = 4290
Step 16: 4290 + 286 = 4576
Step 17: 4576 + 286 = 4862
Step 18: 4862 + 286 = 5148
Step 19: 5148 + 286 = 5434
Step 20: 5434 + 286 = 5720
Step 21: 5720 + 286 = 6006
Step 22: 6006 + 286 = 6292
Step 23: 6292 + 286 = 6578
Step 24: 6578 + 286 = 6864
Step 25: 6864 + 286 = 7150
Step 26: 7150 + 286 = 7436
Step 27: 7436 + 286 = 7722
Step 28: 7722 + 286 = 8008
Step 29: 8008 + 286 = 8294
Step 30: 8294 + 286 = 8580
Step 31: 8580 + 286 = 8866
Step 32: 8866 + 286 = 9152
Step 33: 9152 + 286 = 9438
Step 34: 9438 + 286 = 9724
Step 35: 9724 + 286 = 10010
Step 36: 10010 + 286 = 10296
Step 37: 10296 + 286 = 10582
Step 38: 10582 + 286 = 10868
Step 39: 10868 + 286 = 11154
Step 40: 11154 + 286 = 11440
Step 41: 11440 + 286 = 11726
Step 42: 11726 + 286 = 12012
Step 43: 12012 + 286 = 12298
Step 44: 12298 + 286 = 12584
Step 45: 12584 + 286 = 12870
Step 46: 12870 + 286 = 13156
Step 47: 13156 + 286 = 13442
Step 48: 13442 + 286 = 13728
Step 49: 13728 + 286 = 14014
Step 50: 14014 + 286 = 14300
Step 51: 14300 + 286 = 14586
Step 52: 14586 + 286 = 14872
Step 53: 14872 + 286 = 15158
Step 54: 15158 + 286 = 15444
Step 55: 15444 + 286 = 15730
Step 56: 15730 + 286 = 16016
Step 57: 16016 + 286 = 16302
Step 58: 16302 + 286 = 16588
Step 59: 16588 + 286 = 16874
Step 60: 16874 + 286 = 17160
Step 61: 17160 + 286 = 17446
Step 62: 17446 + 286 = 17732
Step 63: 17732 + 286 = 18018
Step 64: 18018 + 286 = 18304
Step 65: 18304 + 286 = 18590
Step 66: 18590 + 286 = 18876
Step 67: 18876 + 286 = 19162
Step 68: 19162 + 286 = 19448
Step 69: 19448 + 286 = 19734
Step 70: 19734 + 286 = 20020
Step 71: 20020 + 286 = 20306
Step 72: 20306 + 286 = 20592
Step 73: 20592 + 286 = 20878
Step 74: 20878 + 286 = 21164
Step 75: 21164 + 286 = 21450
Step 76: 21450 + 286 = 21736
Step 77: 21736 + 286 = 22022
Step 78: 22022 + 286 = 22308
Step 79: 22308 + 286 = 22594
Step 80: 22594 + 286 = 22880
Step 81: 22880 + 286 = 23166
Step 82: 23166 + 286 = 23452
Step 83: 23452 + 286 = 23738
Step 84: 23738 + 286 = 24024
Step 85: 24024 + 286 = 24310
Step 86: 24310 + 286 = 24596
Step 87: 24596 + 286 = 24882
Step 88: 24882 + 286 = 25168
Step 89: 25168 + 286 = 25454
Step 90: 25454 + 286 = 25740
Step 91: 25740 + 286 = 26026
Step 92: 26026 + 286 = 26312
Step 93: 26312 + 286 = 26598
Step 94: 26598 + 286 = 26884
Step 95: 26884 + 286 = 27170
Step 96: 27170 + 286 = 27456
Step 97: 27456 + 286 = 27742
Step 98: 27742 + 286 = 28028
Step 99: 28028 + 286 = 28314
Step 100: 28314 + 286 = 28600
Step 101: 28600 + 286 = 28886
Step 102: 28886 + 286 = 29172
Step 103: 29172 + 286 = 29458
Step 104: 29458 + 286 = 29744
Step 105: 29744 + 286 = 30030
Step 106: 30030 + 286 = 30316
Step 107: 30316 + 286 = 30602
Step 108: 30602 + 286 = 30888
Step 109: 30888 + 286 = 31174
Step 110: 31174 + 286 = 31460
Step 111: 31460 + 286 = 31746
Step 112: 31746 + 286 = 32032
Step 113: 32032 + 286 = 32318
Step 114: 32318 + 286 = 32604
Step 115: 32604 + 286 = 32890
Step 116: 32890 + 286 = 33176
Step 117: 33176 + 286 = 33462
Step 118: 33462 + 286 = 33748
Step 119: 33748 + 286 = 34034
Step 120: 34034 + 286 = 34320
Step 121: 34320 + 286 = 34606
Step 122: 34606 + 286 = 34892
Step 123: 34892 + 286 = 35178
Step 124: 35178 + 286 = 35464
Step 125: 35464 + 286 = 35750
Step 126: 35750 + 286 = 36036
Step 127: 36036 + 286 = 36322
Step 128: 36322 + 286 = 36608
Step 129: 36608 + 286 = 36894
Step 130: 36894 + 286 = 37180
Step 131: 37180 + 286 = 37466
Step 132: 37466 + 286 = 37752
Step 133: 37752 + 286 = 38038
Step 134: 38038 + 286 = 38324
Step 135: 38324 + 286 = 38610
Step 136: 38610 + 286 = 38896
Step 137: 38896 + 286 = 39182
Step 138: 39182 + 286 = 39468
Step 139: 39468 + 286 = 39754
Step 140: 39754 + 286 = 40040
Step 141: 40040 + 286 = 40326
Step 142: 40326 + 286 = 40612
Step 143: 40612 + 286 = 40898
Step 144: 40898 + 286 = 41184
Step 145: 41184 + 286 = 41470
Step 146: 41470 + 286 = 41756
Step 147: 41756 + 286 = 42042
Step 148: 42042 + 286 = 42328
Step 149: 42328 + 286 = 42614
Step 150: 42614 + 286 = 42900
Step 151: 42900 + 286 = 43186
Step 152: 43186 + 286 = 43472
Step 153: 43472 + 286 = 43758
Step 154: 43758 + 286 = 44044
Step 155: 44044 + 286 = 44330
Step 156: 44330 + 286 = 44616
Step 157: 44616 + 286 = 44902
Step 158: 44902 + 286 = 45188
Step 159: 45188 + 286 = 45474
Step 160: 45474 + 286 = 45760
Step 161: 45760 + 286 = 46046
Step 162: 46046 + 286 = 46332
Step 163: 46332 + 286 = 46618
Step 164: 46618 + 286 = 46904
Step 165: 46904 + 286 = 47190
Step 166: 47190 + 286 = 47476
Step 167: 47476 + 286 = 47762
Step 168: 47762 + 286 = 48048
Step 169: 48048 + 286 = 48334
Step 170: 48334 + 286 = 48620
Step 171: 48620 + 286 = 48906
Step 172: 48906 + 286 = 49192
Step 173: 49192 + 286 = 49478
Step 174: 49478 + 286 = 49764
Step 175: 49764 + 286 = 50050
Step 176: 50050 + 286 = 50336
Step 177: 50336 + 286 = 50622
Step 178: 50622 + 286 = 50908
Step 179: 50908 + 286 = 51194
Step 180: 51194 + 286 = 51480
Step 181: 51480 + 286 = 51766
Step 182: 51766 + 286 = 52052
Step 183: 52052 + 286 = 52338
Step 184: 52338 + 286 = 52624
Step 185: 52624 + 286 = 52910
Step 186: 52910 + 286 = 53196
Step 187: 53196 + 286 = 53482
Step 188: 53482 + 286 = 53768
Step 189: 53768 + 286 = 54054
Step 190: 54054 + 286 = 54340
Step 191: 54340 + 286 = 54626
Step 192: 54626 + 286 = 54912
Step 193: 54912 + 286 = 55198
Step 194: 55198 + 286 = 55484
Step 195: 55484 + 286 = 55770
Step 196: 55770 + 286 = 56056
Step 197: 56056 + 286 = 56342
Step 198: 56342 + 286 = 56628
Step 199: 56628 + 286 = 56914
Step 200: 56914 + 286 = 57200
Step 201: 57200 + 286 = 57486
Step 202: 57486 + 286 = 57772
Step 203: 57772 + 286 = 58058
Step 204: 58058 + 286 = 58344
Step 205: 58344 + 286 = 58630
Step 206: 58630 + 286 = 58916
Step 207: 58916 + 286 = 59202
Step 208: 59202 + 286 = 59488
Step 209: 59488 + 286 = 59774
Step 210: 59774 + 286 = 60060
Step 211: 60060 + 286 = 60346
Step 212: 60346 + 286 = 60632
Step 213: 60632 + 286 = 60918
Step 214: 60918 + 286 = 61204
Step 215: 61204 + 286 = 61490
Step 216: 61490 + 286 = 61776
Step 217: 61776 + 286 = 62062
Step 218: 62062 + 286 = 62348
Step 219: 62348 + 286 = 62634
Step 220: 62634 + 286 = 62920
Step 221: 62920 + 286 = 63206
Step 222: 63206 + 286 = 63492
Step 223: 63492 + 286 = 63778
Step 224: 63778 + 286 = 64064
Step 225: 64064 + 286 = 64350
Step 226: 64350 + 286 = 64636
Step 227: 64636 + 286 = 64922
Step 228: 64922 + 286 = 65208
Step 229: 65208 + 286 = 65494
Step 230: 65494 + 286 = 65780
Step 231: 65780 + 286 = 66066
Step 232: 66066 + 286 = 66352
Step 233: 66352 + 286 = 66638
Step 234: 66638 + 286 = 66924
Step 235: 66924 + 286 = 67210
Step 236: 67210 + 286 = 67496
Step 237: 67496 + 286 = 67782
Step 238: 67782 + 286 = 68068
Step 239: 68068 + 286 = 68354
Step 240: 68354 + 286 = 68640
Step 241: 68640 + 286 = 68926
Step 242: 68926 + 286 = 69212
Step 243: 69212 + 286 = 69498
Step 244: 69498 + 286 = 69784
Step 245: 69784 + 286 = 70070
Step 246: 70070 + 286 = 70356
Step 247: 70356 + 286 = 70642
Step 248: 70642 + 286 = 70928
Step 249: 70928 + 286 = 71214
Step 250: 71214 + 286 = 71500
Step 251: 71500 + 286 = 71786
Step 252: 71786 + 286 = 72072
Step 253: 72072 + 286 = 72358
Step 254: 72358 + 286 = 72644

So, 286*254 = 72644