You can put this solution on YOUR website! you need to find the area to be covered by tiles. 8ft by 8 ft (a small kitchen?)
you need to find the area covered by one tile. 2ft by 2 ft
then divide the large area by the small area (one tile area)that is (large area/one tile to find out how many tiles.
it won't be many since the area is small and the tiles are big.