Task: Question Answering
Input (English): Question: Mangala completes a piece of work in 12 days, Raju completes the same work in 36 days. If both of them work together, then the number of days required to complete the work is?

 Option A: 5 days

 Option B: 6 days

 Option C: 7 days

 Option D: 8 days

 Option E: 9 days
Output (English): Option E