Task: Question Answering
Input (English): Problem: two cubes each with side b are joined to form a cuboids . what is the surface area of this cuboids ? 
Options: ['a ) 12 b ^ 2', 'b ) 10 b ^ 2', 'c ) 6 b ^ 2', 'd ) 4 b ^ 2', 'e ) 2 b ^ 2']
Output (English): b