Assuming the measure are in feet. 14 x 14 = 196 square feet.
196 square feet
400 square feet.
234 square feet.
40 square yards
There is 121 square feet in a 11'x11' room.
A 20' by 14' room measures 31.1 square yards.
There are 270 square feet in a 15'x18' room.
324 square feet.
525 square feet.
120 square feet.
252 square feet.
130 square feet.
140 square feet.