Task: Question Answering
Input (English): Problem: a carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet . if the carpenter made instead a sandbox which was twice as long , twice as wide and twice as high as the original , what would the capacity be of the new larger sandbox ? 
Options: ['a ) 20', 'b ) 40', 'c ) 60', 'd ) 80', 'e ) 100']
Output (English): d