Task: Question Answering
Input (English): Problem: a rectangular cube has sides measuring 15 inches long by 12 inches wide by 2 inches high . if the surface area of the rectangle is the same as a cube , what do the sides / walls of the cube measure ? round to the nearest whole number . 
Options: a ) 7 , b ) 5 , c ) 9 , d ) 6 , e ) 4
Output (English): c