Task: Question Answering
Input (English): Problem: if the length of the sides of two cubes are in the ratio 7 : 1 , what is the ratio of their total surface area ? 
Options: a ) 7 : 1 , b ) 14 : 1 , c ) 21 : 1 , d ) 42 : 1 , e ) 49 : 1
Output (English): e