conversations.from: human
conversations.value: Find the answer to this math problem: Gretchen has 110 coins. There are 30 more gold coins than silver coins. How many gold coins does Gretchen have?
conversations.from: assistant
conversations.value: Let x be the number of silver coins Gretchen has
  Gretchen has x+30 gold coins.
  x+x+30=110
  2*x=80
  x=40
  Gretchen has 40+30=70 gold coins