You will be given a definition of a task first, then some input of the task.
The task is to generate the correct answer for a given math problem.

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 ?
Output:
120