Task: Question Answering
Input (English): Problem: 15 men take 20 days of 8 hours each to do a piece of work . how many days of 6 hours each would 21 women take to do the same . if 3 women do as much work as 2 men ? 
Options: a ) 27.57 , b ) 28.57 , c ) 29.57 , d ) 30.57 , e ) 32
Output (English): b