Let's get this math done. We have 27 and we're going to multiply it by 108. This is the same as taking 27 and adding it to itself 108 times.
Step 1: 0 + 27 = 27
Step 2: 27 + 27 = 54
Step 3: 54 + 27 = 81
Step 4: 81 + 27 = 108
Step 5: 108 + 27 = 135
Step 6: 135 + 27 = 162
Step 7: 162 + 27 = 189
Step 8: 189 + 27 = 216
Step 9: 216 + 27 = 243
Step 10: 243 + 27 = 270
Step 11: 270 + 27 = 297
Step 12: 297 + 27 = 324
Step 13: 324 + 27 = 351
Step 14: 351 + 27 = 378
Step 15: 378 + 27 = 405
Step 16: 405 + 27 = 432
Step 17: 432 + 27 = 459
Step 18: 459 + 27 = 486
Step 19: 486 + 27 = 513
Step 20: 513 + 27 = 540
Step 21: 540 + 27 = 567
Step 22: 567 + 27 = 594
Step 23: 594 + 27 = 621
Step 24: 621 + 27 = 648
Step 25: 648 + 27 = 675
Step 26: 675 + 27 = 702
Step 27: 702 + 27 = 729
Step 28: 729 + 27 = 756
Step 29: 756 + 27 = 783
Step 30: 783 + 27 = 810
Step 31: 810 + 27 = 837
Step 32: 837 + 27 = 864
Step 33: 864 + 27 = 891
Step 34: 891 + 27 = 918
Step 35: 918 + 27 = 945
Step 36: 945 + 27 = 972
Step 37: 972 + 27 = 999
Step 38: 999 + 27 = 1026
Step 39: 1026 + 27 = 1053
Step 40: 1053 + 27 = 1080
Step 41: 1080 + 27 = 1107
Step 42: 1107 + 27 = 1134
Step 43: 1134 + 27 = 1161
Step 44: 1161 + 27 = 1188
Step 45: 1188 + 27 = 1215
Step 46: 1215 + 27 = 1242
Step 47: 1242 + 27 = 1269
Step 48: 1269 + 27 = 1296
Step 49: 1296 + 27 = 1323
Step 50: 1323 + 27 = 1350
Step 51: 1350 + 27 = 1377
Step 52: 1377 + 27 = 1404
Step 53: 1404 + 27 = 1431
Step 54: 1431 + 27 = 1458
Step 55: 1458 + 27 = 1485
Step 56: 1485 + 27 = 1512
Step 57: 1512 + 27 = 1539
Step 58: 1539 + 27 = 1566
Step 59: 1566 + 27 = 1593
Step 60: 1593 + 27 = 1620
Step 61: 1620 + 27 = 1647
Step 62: 1647 + 27 = 1674
Step 63: 1674 + 27 = 1701
Step 64: 1701 + 27 = 1728
Step 65: 1728 + 27 = 1755
Step 66: 1755 + 27 = 1782
Step 67: 1782 + 27 = 1809
Step 68: 1809 + 27 = 1836
Step 69: 1836 + 27 = 1863
Step 70: 1863 + 27 = 1890
Step 71: 1890 + 27 = 1917
Step 72: 1917 + 27 = 1944
Step 73: 1944 + 27 = 1971
Step 74: 1971 + 27 = 1998
Step 75: 1998 + 27 = 2025
Step 76: 2025 + 27 = 2052
Step 77: 2052 + 27 = 2079
Step 78: 2079 + 27 = 2106
Step 79: 2106 + 27 = 2133
Step 80: 2133 + 27 = 2160
Step 81: 2160 + 27 = 2187
Step 82: 2187 + 27 = 2214
Step 83: 2214 + 27 = 2241
Step 84: 2241 + 27 = 2268
Step 85: 2268 + 27 = 2295
Step 86: 2295 + 27 = 2322
Step 87: 2322 + 27 = 2349
Step 88: 2349 + 27 = 2376
Step 89: 2376 + 27 = 2403
Step 90: 2403 + 27 = 2430
Step 91: 2430 + 27 = 2457
Step 92: 2457 + 27 = 2484
Step 93: 2484 + 27 = 2511
Step 94: 2511 + 27 = 2538
Step 95: 2538 + 27 = 2565
Step 96: 2565 + 27 = 2592
Step 97: 2592 + 27 = 2619
Step 98: 2619 + 27 = 2646
Step 99: 2646 + 27 = 2673
Step 100: 2673 + 27 = 2700
Step 101: 2700 + 27 = 2727
Step 102: 2727 + 27 = 2754
Step 103: 2754 + 27 = 2781
Step 104: 2781 + 27 = 2808
Step 105: 2808 + 27 = 2835
Step 106: 2835 + 27 = 2862
Step 107: 2862 + 27 = 2889
Step 108: 2889 + 27 = 2916

So, 27*108 = 2916