Task: Question Answering
Input (English): Problem: the ratio of the volumes of two cubes is 343 : 512 . what is the ratio of their total surface areas ? 
Options: a ) 12 : 24 , b ) 8 : 16 , c ) 45 : 25 , d ) 18 : 56 , e ) 49 : 64
Output (English): e