conversations.from: human
conversations.value: Please show me the solution for: The new pad of paper has 120 pages. Sammy uses 25% of the pages for his science project, and another 10 pages for his math homework. How many pages remain in the pad?
conversations.from: assistant
conversations.value: He used 0.25*120=30 on science
  There were 120-30=90 pages left
  And then he has 90-10=80 after math.