conversations.from: human
conversations.value: Break down this math problem: Joseph had 3 times as many notebooks as Martha. Martha decided she needed more notebooks and then bought 5 more for a total of 7 notebooks. How many more than Joseph does she now have?
conversations.from: assistant
conversations.value: Since she bought 5 more to have 7, she originally had 7-5 = 2 notebooks
  Joseph had 3 times Martha's number of notebooks which is 3*2 = 6 notebooks
  Martha has 7 notebooks now which is 7-6 = 1 more than Joseph