You need 27 Box of 9 tiles
You would have 79 tiles.
Assuming you mean 16x16 inches tiles... 441 tiles would cover the area exactly
113
.375
256
89887790
297 16x16-inch tiles.
Assuming you mean the tiles are 16 inches square - you would need 169 tiles.
108 plus 20% more.
150 16x16" tiles; you'll have a small part of one tile left over.
forty
397