conversations.from: human
conversations.value: I'm stuck on this math problem: Elsa gets 500 MB of cell phone data each month. If she spends 300 MB watching Youtube and 2/5 of what's left on Facebook, how many MB of data does she have left?
  Can you help?
conversations.from: assistant
conversations.value: First subtract the 300 MB Elsa spent on YouTube: 500 MB - 300 MB = 200 MB.
  Then multiply 200 MB by 2/5th to find out how much data Elsa spent on Facebook: 200 MB * 2/5 = 80 MB.
  Finally, subtract the data Elsa spent on Facebook from the 200 MB: 200 MB - 80 MB = 120 MB.