Task: Question Answering
Input (English): Problem: how many 1 x 1 x 1 cubes can you fit in a 15 x 16 x 13 box ? 
Options: ['a ) 3,200', 'b ) 3,150', 'c ) 3,448', 'd ) 3,120', 'e ) 2,980']
Output (English): d