Task: Question Answering
Input (English): Problem: the speed at which a man can row a boat in still water is 6 km / hr . if he rows downstream , where the speed of current is 3 km / hr , how many seconds will he take to cover 80 meters ? 
Options: a ) 28 , b ) 32 , c ) 36 , d ) 40 , e ) 44
Output (English): b