Task: Question Answering
Input (English): Problem: mike and his friend are going on a road trip and hoping to miss traffic . if they are driving at a rate of 6 miles per minute , what is their speed in kilometers per hour ? [ 1 km = 0.6 miles ] 
Options: a ) 60 , b ) 30 , c ) 300 , d ) 600 , e ) none of the above
Output (English): d