conversations.from: human
conversations.value: A mathematician is working on two projects. He has one week to write 518 maths questions for one project and 476 questions for another project. If he completes the same number of questions every day, how many should he aim to complete each day?
  How to solve this?
conversations.from: assistant
conversations.value: The writer is going to write 518 questions + 476 questions = 994 questions in 7 days.
  He should aim to do 994 questions ÷ 7 days = 142 questions/day.