Task: Question Answering
Input (English): Question: Average age of students of an adult school is 42 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years. Find the number of students of the school after joining of the new students.

 Option A: 1200

 Option B: 120

 Option C: 360

 Option D: 200

 Option E: None of these
Output (English): Option D