Alright, let's solve this math problem step by step. First, we have the number 809. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 168. So, we're going to take the number 809 and add it to itself 168 times.
Step 1: 0 + 809 = 809
Step 2: 809 + 809 = 1618
Step 3: 1618 + 809 = 2427
Step 4: 2427 + 809 = 3236
Step 5: 3236 + 809 = 4045
Step 6: 4045 + 809 = 4854
Step 7: 4854 + 809 = 5663
Step 8: 5663 + 809 = 6472
Step 9: 6472 + 809 = 7281
Step 10: 7281 + 809 = 8090
Step 11: 8090 + 809 = 8899
Step 12: 8899 + 809 = 9708
Step 13: 9708 + 809 = 10517
Step 14: 10517 + 809 = 11326
Step 15: 11326 + 809 = 12135
Step 16: 12135 + 809 = 12944
Step 17: 12944 + 809 = 13753
Step 18: 13753 + 809 = 14562
Step 19: 14562 + 809 = 15371
Step 20: 15371 + 809 = 16180
Step 21: 16180 + 809 = 16989
Step 22: 16989 + 809 = 17798
Step 23: 17798 + 809 = 18607
Step 24: 18607 + 809 = 19416
Step 25: 19416 + 809 = 20225
Step 26: 20225 + 809 = 21034
Step 27: 21034 + 809 = 21843
Step 28: 21843 + 809 = 22652
Step 29: 22652 + 809 = 23461
Step 30: 23461 + 809 = 24270
Step 31: 24270 + 809 = 25079
Step 32: 25079 + 809 = 25888
Step 33: 25888 + 809 = 26697
Step 34: 26697 + 809 = 27506
Step 35: 27506 + 809 = 28315
Step 36: 28315 + 809 = 29124
Step 37: 29124 + 809 = 29933
Step 38: 29933 + 809 = 30742
Step 39: 30742 + 809 = 31551
Step 40: 31551 + 809 = 32360
Step 41: 32360 + 809 = 33169
Step 42: 33169 + 809 = 33978
Step 43: 33978 + 809 = 34787
Step 44: 34787 + 809 = 35596
Step 45: 35596 + 809 = 36405
Step 46: 36405 + 809 = 37214
Step 47: 37214 + 809 = 38023
Step 48: 38023 + 809 = 38832
Step 49: 38832 + 809 = 39641
Step 50: 39641 + 809 = 40450
Step 51: 40450 + 809 = 41259
Step 52: 41259 + 809 = 42068
Step 53: 42068 + 809 = 42877
Step 54: 42877 + 809 = 43686
Step 55: 43686 + 809 = 44495
Step 56: 44495 + 809 = 45304
Step 57: 45304 + 809 = 46113
Step 58: 46113 + 809 = 46922
Step 59: 46922 + 809 = 47731
Step 60: 47731 + 809 = 48540
Step 61: 48540 + 809 = 49349
Step 62: 49349 + 809 = 50158
Step 63: 50158 + 809 = 50967
Step 64: 50967 + 809 = 51776
Step 65: 51776 + 809 = 52585
Step 66: 52585 + 809 = 53394
Step 67: 53394 + 809 = 54203
Step 68: 54203 + 809 = 55012
Step 69: 55012 + 809 = 55821
Step 70: 55821 + 809 = 56630
Step 71: 56630 + 809 = 57439
Step 72: 57439 + 809 = 58248
Step 73: 58248 + 809 = 59057
Step 74: 59057 + 809 = 59866
Step 75: 59866 + 809 = 60675
Step 76: 60675 + 809 = 61484
Step 77: 61484 + 809 = 62293
Step 78: 62293 + 809 = 63102
Step 79: 63102 + 809 = 63911
Step 80: 63911 + 809 = 64720
Step 81: 64720 + 809 = 65529
Step 82: 65529 + 809 = 66338
Step 83: 66338 + 809 = 67147
Step 84: 67147 + 809 = 67956
Step 85: 67956 + 809 = 68765
Step 86: 68765 + 809 = 69574
Step 87: 69574 + 809 = 70383
Step 88: 70383 + 809 = 71192
Step 89: 71192 + 809 = 72001
Step 90: 72001 + 809 = 72810
Step 91: 72810 + 809 = 73619
Step 92: 73619 + 809 = 74428
Step 93: 74428 + 809 = 75237
Step 94: 75237 + 809 = 76046
Step 95: 76046 + 809 = 76855
Step 96: 76855 + 809 = 77664
Step 97: 77664 + 809 = 78473
Step 98: 78473 + 809 = 79282
Step 99: 79282 + 809 = 80091
Step 100: 80091 + 809 = 80900
Step 101: 80900 + 809 = 81709
Step 102: 81709 + 809 = 82518
Step 103: 82518 + 809 = 83327
Step 104: 83327 + 809 = 84136
Step 105: 84136 + 809 = 84945
Step 106: 84945 + 809 = 85754
Step 107: 85754 + 809 = 86563
Step 108: 86563 + 809 = 87372
Step 109: 87372 + 809 = 88181
Step 110: 88181 + 809 = 88990
Step 111: 88990 + 809 = 89799
Step 112: 89799 + 809 = 90608
Step 113: 90608 + 809 = 91417
Step 114: 91417 + 809 = 92226
Step 115: 92226 + 809 = 93035
Step 116: 93035 + 809 = 93844
Step 117: 93844 + 809 = 94653
Step 118: 94653 + 809 = 95462
Step 119: 95462 + 809 = 96271
Step 120: 96271 + 809 = 97080
Step 121: 97080 + 809 = 97889
Step 122: 97889 + 809 = 98698
Step 123: 98698 + 809 = 99507
Step 124: 99507 + 809 = 100316
Step 125: 100316 + 809 = 101125
Step 126: 101125 + 809 = 101934
Step 127: 101934 + 809 = 102743
Step 128: 102743 + 809 = 103552
Step 129: 103552 + 809 = 104361
Step 130: 104361 + 809 = 105170
Step 131: 105170 + 809 = 105979
Step 132: 105979 + 809 = 106788
Step 133: 106788 + 809 = 107597
Step 134: 107597 + 809 = 108406
Step 135: 108406 + 809 = 109215
Step 136: 109215 + 809 = 110024
Step 137: 110024 + 809 = 110833
Step 138: 110833 + 809 = 111642
Step 139: 111642 + 809 = 112451
Step 140: 112451 + 809 = 113260
Step 141: 113260 + 809 = 114069
Step 142: 114069 + 809 = 114878
Step 143: 114878 + 809 = 115687
Step 144: 115687 + 809 = 116496
Step 145: 116496 + 809 = 117305
Step 146: 117305 + 809 = 118114
Step 147: 118114 + 809 = 118923
Step 148: 118923 + 809 = 119732
Step 149: 119732 + 809 = 120541
Step 150: 120541 + 809 = 121350
Step 151: 121350 + 809 = 122159
Step 152: 122159 + 809 = 122968
Step 153: 122968 + 809 = 123777
Step 154: 123777 + 809 = 124586
Step 155: 124586 + 809 = 125395
Step 156: 125395 + 809 = 126204
Step 157: 126204 + 809 = 127013
Step 158: 127013 + 809 = 127822
Step 159: 127822 + 809 = 128631
Step 160: 128631 + 809 = 129440
Step 161: 129440 + 809 = 130249
Step 162: 130249 + 809 = 131058
Step 163: 131058 + 809 = 131867
Step 164: 131867 + 809 = 132676
Step 165: 132676 + 809 = 133485
Step 166: 133485 + 809 = 134294
Step 167: 134294 + 809 = 135103
Step 168: 135103 + 809 = 135912

So, 809*168 = 135912