Task: Question Answering
Input (English): Problem: an art gallery has only paintings and sculptures . currently , 1 / 3 of the pieces of art are displayed , and 1 / 6 of the pieces on display are sculptures . if 1 / 3 of the pieces not on display are paintings , and 1200 sculptures are not on display , how many pieces of art does the gallery have ? 
Options: a ) 360 , b ) 2700 , c ) 540 , d ) 640 , e ) 720
Output (English): b