prompt: One-third of a class of 39 students took part in a math competition. How many students did not participate in the competition?
messages.content: One-third of a class of 39 students took part in a math competition. How many students did not participate in the competition?
messages.role: user
messages.content: Since one-third of the class participated, there are 39 * 1/3 = <<39*1/3=13>>13 students who participated in the competition.
  This means that 39 – 13 = <<39-13=26>>26 students did not participate.
  #### 26
messages.role: assistant