Task: Question Answering
Input (English): Problem: how many bricks , each measuring 50 cm x 11.25 cm x 6 cm , will be needed to build a wall of 8 m x 6 m x 22.5 cm ? 
Options: a ) 6400 , b ) 2400 , c ) 5500 , d ) 7400 , e ) 3200
Output (English): e