Sure thing! We've got 436 and we're gonna multiply it by 86. That's the same as adding 436 to itself 86 times.
Step 1: 0 + 436 = 436
Step 2: 436 + 436 = 872
Step 3: 872 + 436 = 1308
Step 4: 1308 + 436 = 1744
Step 5: 1744 + 436 = 2180
Step 6: 2180 + 436 = 2616
Step 7: 2616 + 436 = 3052
Step 8: 3052 + 436 = 3488
Step 9: 3488 + 436 = 3924
Step 10: 3924 + 436 = 4360
Step 11: 4360 + 436 = 4796
Step 12: 4796 + 436 = 5232
Step 13: 5232 + 436 = 5668
Step 14: 5668 + 436 = 6104
Step 15: 6104 + 436 = 6540
Step 16: 6540 + 436 = 6976
Step 17: 6976 + 436 = 7412
Step 18: 7412 + 436 = 7848
Step 19: 7848 + 436 = 8284
Step 20: 8284 + 436 = 8720
Step 21: 8720 + 436 = 9156
Step 22: 9156 + 436 = 9592
Step 23: 9592 + 436 = 10028
Step 24: 10028 + 436 = 10464
Step 25: 10464 + 436 = 10900
Step 26: 10900 + 436 = 11336
Step 27: 11336 + 436 = 11772
Step 28: 11772 + 436 = 12208
Step 29: 12208 + 436 = 12644
Step 30: 12644 + 436 = 13080
Step 31: 13080 + 436 = 13516
Step 32: 13516 + 436 = 13952
Step 33: 13952 + 436 = 14388
Step 34: 14388 + 436 = 14824
Step 35: 14824 + 436 = 15260
Step 36: 15260 + 436 = 15696
Step 37: 15696 + 436 = 16132
Step 38: 16132 + 436 = 16568
Step 39: 16568 + 436 = 17004
Step 40: 17004 + 436 = 17440
Step 41: 17440 + 436 = 17876
Step 42: 17876 + 436 = 18312
Step 43: 18312 + 436 = 18748
Step 44: 18748 + 436 = 19184
Step 45: 19184 + 436 = 19620
Step 46: 19620 + 436 = 20056
Step 47: 20056 + 436 = 20492
Step 48: 20492 + 436 = 20928
Step 49: 20928 + 436 = 21364
Step 50: 21364 + 436 = 21800
Step 51: 21800 + 436 = 22236
Step 52: 22236 + 436 = 22672
Step 53: 22672 + 436 = 23108
Step 54: 23108 + 436 = 23544
Step 55: 23544 + 436 = 23980
Step 56: 23980 + 436 = 24416
Step 57: 24416 + 436 = 24852
Step 58: 24852 + 436 = 25288
Step 59: 25288 + 436 = 25724
Step 60: 25724 + 436 = 26160
Step 61: 26160 + 436 = 26596
Step 62: 26596 + 436 = 27032
Step 63: 27032 + 436 = 27468
Step 64: 27468 + 436 = 27904
Step 65: 27904 + 436 = 28340
Step 66: 28340 + 436 = 28776
Step 67: 28776 + 436 = 29212
Step 68: 29212 + 436 = 29648
Step 69: 29648 + 436 = 30084
Step 70: 30084 + 436 = 30520
Step 71: 30520 + 436 = 30956
Step 72: 30956 + 436 = 31392
Step 73: 31392 + 436 = 31828
Step 74: 31828 + 436 = 32264
Step 75: 32264 + 436 = 32700
Step 76: 32700 + 436 = 33136
Step 77: 33136 + 436 = 33572
Step 78: 33572 + 436 = 34008
Step 79: 34008 + 436 = 34444
Step 80: 34444 + 436 = 34880
Step 81: 34880 + 436 = 35316
Step 82: 35316 + 436 = 35752
Step 83: 35752 + 436 = 36188
Step 84: 36188 + 436 = 36624
Step 85: 36624 + 436 = 37060
Step 86: 37060 + 436 = 37496

So, 436*86 = 37496