OK, let's crack this. We're given 836 and our task is to multiply it by 133. Essentially, we'll be adding 836 to itself 133 times.
Step 1: 0 + 836 = 836
Step 2: 836 + 836 = 1672
Step 3: 1672 + 836 = 2508
Step 4: 2508 + 836 = 3344
Step 5: 3344 + 836 = 4180
Step 6: 4180 + 836 = 5016
Step 7: 5016 + 836 = 5852
Step 8: 5852 + 836 = 6688
Step 9: 6688 + 836 = 7524
Step 10: 7524 + 836 = 8360
Step 11: 8360 + 836 = 9196
Step 12: 9196 + 836 = 10032
Step 13: 10032 + 836 = 10868
Step 14: 10868 + 836 = 11704
Step 15: 11704 + 836 = 12540
Step 16: 12540 + 836 = 13376
Step 17: 13376 + 836 = 14212
Step 18: 14212 + 836 = 15048
Step 19: 15048 + 836 = 15884
Step 20: 15884 + 836 = 16720
Step 21: 16720 + 836 = 17556
Step 22: 17556 + 836 = 18392
Step 23: 18392 + 836 = 19228
Step 24: 19228 + 836 = 20064
Step 25: 20064 + 836 = 20900
Step 26: 20900 + 836 = 21736
Step 27: 21736 + 836 = 22572
Step 28: 22572 + 836 = 23408
Step 29: 23408 + 836 = 24244
Step 30: 24244 + 836 = 25080
Step 31: 25080 + 836 = 25916
Step 32: 25916 + 836 = 26752
Step 33: 26752 + 836 = 27588
Step 34: 27588 + 836 = 28424
Step 35: 28424 + 836 = 29260
Step 36: 29260 + 836 = 30096
Step 37: 30096 + 836 = 30932
Step 38: 30932 + 836 = 31768
Step 39: 31768 + 836 = 32604
Step 40: 32604 + 836 = 33440
Step 41: 33440 + 836 = 34276
Step 42: 34276 + 836 = 35112
Step 43: 35112 + 836 = 35948
Step 44: 35948 + 836 = 36784
Step 45: 36784 + 836 = 37620
Step 46: 37620 + 836 = 38456
Step 47: 38456 + 836 = 39292
Step 48: 39292 + 836 = 40128
Step 49: 40128 + 836 = 40964
Step 50: 40964 + 836 = 41800
Step 51: 41800 + 836 = 42636
Step 52: 42636 + 836 = 43472
Step 53: 43472 + 836 = 44308
Step 54: 44308 + 836 = 45144
Step 55: 45144 + 836 = 45980
Step 56: 45980 + 836 = 46816
Step 57: 46816 + 836 = 47652
Step 58: 47652 + 836 = 48488
Step 59: 48488 + 836 = 49324
Step 60: 49324 + 836 = 50160
Step 61: 50160 + 836 = 50996
Step 62: 50996 + 836 = 51832
Step 63: 51832 + 836 = 52668
Step 64: 52668 + 836 = 53504
Step 65: 53504 + 836 = 54340
Step 66: 54340 + 836 = 55176
Step 67: 55176 + 836 = 56012
Step 68: 56012 + 836 = 56848
Step 69: 56848 + 836 = 57684
Step 70: 57684 + 836 = 58520
Step 71: 58520 + 836 = 59356
Step 72: 59356 + 836 = 60192
Step 73: 60192 + 836 = 61028
Step 74: 61028 + 836 = 61864
Step 75: 61864 + 836 = 62700
Step 76: 62700 + 836 = 63536
Step 77: 63536 + 836 = 64372
Step 78: 64372 + 836 = 65208
Step 79: 65208 + 836 = 66044
Step 80: 66044 + 836 = 66880
Step 81: 66880 + 836 = 67716
Step 82: 67716 + 836 = 68552
Step 83: 68552 + 836 = 69388
Step 84: 69388 + 836 = 70224
Step 85: 70224 + 836 = 71060
Step 86: 71060 + 836 = 71896
Step 87: 71896 + 836 = 72732
Step 88: 72732 + 836 = 73568
Step 89: 73568 + 836 = 74404
Step 90: 74404 + 836 = 75240
Step 91: 75240 + 836 = 76076
Step 92: 76076 + 836 = 76912
Step 93: 76912 + 836 = 77748
Step 94: 77748 + 836 = 78584
Step 95: 78584 + 836 = 79420
Step 96: 79420 + 836 = 80256
Step 97: 80256 + 836 = 81092
Step 98: 81092 + 836 = 81928
Step 99: 81928 + 836 = 82764
Step 100: 82764 + 836 = 83600
Step 101: 83600 + 836 = 84436
Step 102: 84436 + 836 = 85272
Step 103: 85272 + 836 = 86108
Step 104: 86108 + 836 = 86944
Step 105: 86944 + 836 = 87780
Step 106: 87780 + 836 = 88616
Step 107: 88616 + 836 = 89452
Step 108: 89452 + 836 = 90288
Step 109: 90288 + 836 = 91124
Step 110: 91124 + 836 = 91960
Step 111: 91960 + 836 = 92796
Step 112: 92796 + 836 = 93632
Step 113: 93632 + 836 = 94468
Step 114: 94468 + 836 = 95304
Step 115: 95304 + 836 = 96140
Step 116: 96140 + 836 = 96976
Step 117: 96976 + 836 = 97812
Step 118: 97812 + 836 = 98648
Step 119: 98648 + 836 = 99484
Step 120: 99484 + 836 = 100320
Step 121: 100320 + 836 = 101156
Step 122: 101156 + 836 = 101992
Step 123: 101992 + 836 = 102828
Step 124: 102828 + 836 = 103664
Step 125: 103664 + 836 = 104500
Step 126: 104500 + 836 = 105336
Step 127: 105336 + 836 = 106172
Step 128: 106172 + 836 = 107008
Step 129: 107008 + 836 = 107844
Step 130: 107844 + 836 = 108680
Step 131: 108680 + 836 = 109516
Step 132: 109516 + 836 = 110352
Step 133: 110352 + 836 = 111188

So, 836*133 = 111188