Task: Question Answering
Input (English): Problem: the front wheels of a wagon are 2 π feet in circumference and the rear wheels are 3 π feet in circumference . when the front wheels have made 10 more revolutions than the rear wheels , how many feet has the wagon travelled ? 
Options: a ) 30 π , b ) 45 π , c ) 60 π , d ) 90 π , e ) none
Output (English): c