Task: Question Answering
Input (English): Problem: how many bricks , each measuring 25 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 ) 5600 , b ) 6000 , c ) 6400 , d ) 7200 , e ) none
Output (English): c