prompt: Megan is an actress. She was the lead actress in 80% of her work. In total, Megan participated in 100 plays. How many times Megan was not the lead actress?
messages.content: Megan is an actress. She was the lead actress in 80% of her work. In total, Megan participated in 100 plays. How many times Megan was not the lead actress?
messages.role: user
messages.content: Megan was the lead actress in 100 * 80% = <<100*80*.01=80>>80 plays.
  So Megan was not the lead actress in 100 - 80 = <<100-80=20>>20 plays.
  #### 20
messages.role: assistant