Task: Question Answering
Input (English): Problem: calculate the number of bricks , each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10 % of its volume is occupied by concrete ? 
Options: a ) 6000 , b ) 5400 , c ) 3800 , d ) 4700 , e ) 2500
Output (English): a