prompt: Roger bought a house for $100,000.  He was able to pay 20% down, and his parents paid off an additional 30% of the remaining balance.  How much money does Roger still owe on his house?
messages.content: Roger bought a house for $100,000.  He was able to pay 20% down, and his parents paid off an additional 30% of the remaining balance.  How much money does Roger still owe on his house?
messages.role: user
messages.content: 100000(.20)=20000$ down payment
  100000-20000=$<<100000-20000=80000>>80000 remaining
  80000(.30)=24000
  80000-24000=<<80000-24000=56000>>56000$
  #### 56000
messages.role: assistant