A hall is 18 meters long and 9 meters wide. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, what is the volume of the hall (in cubic meters)?  Options
A) 640	B) 758	C) 862	D) 972	E) 1024
2HL + 2= 
<gadget id="calculator">+ 2</gadget>
<output>2</output>
2LW   H= LW / (L+W)   Volume = LWH = (LW)^2 / (L+W) = 972   The answer is 972.
<result>D</result>
A hall is 18 meters long and 9 meters wide. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, what is the volume of the hall (in cubic meters)?