The task is to generate the correct answer for a given math problem.
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Question: Problem: 30 pens and 75 pencils were purchased for 750 . if the average price of a pencil was 2.00 , find the average price of a pen .

Answer: 20


Question: Problem: of the diplomats who attended a summit conference : 20 spoke japanese , 32 did not speak russian and 20 % of the diplomats spoke neither japanese nor russian . if 10 % of the diplomats spoke both japanese and russian , then how many diplomats attended the conference ?

Answer: 120


Question: Problem: how many shots of 1 cm radius can be prepared from a sphere of 5 cm radius ?

Answer:
125