instruction:
The task is to generate the correct answer for a given math problem.
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: if s and t are both odd prime numbers ands < t , then how many different positive integer factors does 2 sthave ?
answer:
8


question:
Problem: if the area of a circle is 81 pi square feet , find its circumference .
answer:

18