prompt: At a party, there are 50 people. 30% of them are boys. How many girls are at this party?
messages.content: At a party, there are 50 people. 30% of them are boys. How many girls are at this party?
messages.role: user
messages.content: There are 50 * 30/100 = <<50*30/100=15>>15 boys at that party.
  That means there are 50 - 15 = <<50-15=35>>35 girls.
  #### 35
messages.role: assistant