each tile is 18 x 18 = 324 sq in
room is 63 x 144 = 9072 sq in
9072/324 = 28 tiles
12 tiles by 18 tiles or 216 tiles total
You would need 173 tiles (you would have fractions of tiles left over)
It would be 9 tiles wide by 12 tiles long. That gives you a total of 108 tiles.
1,080 tiles exactly.
360 tiles.
A minimum of 33 tiles, a maximum of 40.
225 16-inch tiles.
875 24-inch tiles.
54 4x4-inch tiles.
If these are one inch tiles you need 2160. If the tiles are 12 inch tiles you need 180.
113 tiles
23 tiles if you want to add for waste it would be 26.