Task: Question Answering
Input (English): Problem: in a garden , there are 10 rows and 12 columns of mango trees . the distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden . what is the length of the garden ? 
Options: a ) 30 m , b ) 28 m , c ) 26 m , d ) 24 m , e ) 22 m
Output (English): d