conversations.from: human
conversations.value: There are 64 seventh graders at a middle school. This is 32% of the students at the school. The sixth graders comprise 38% of the students. How many sixth graders attend middle school?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: Let X be the number of students in the middle school. There are X*32% = 64 seventh graders.
  So there are X = 64 / 0.32 = 200 students at the school.
  And there are 200 *38% = 76 sixth graders.