Lizzy: Gerald had 20 toy cars. He donated 1/4 of his toy cars to an orphanage. How many toy cars does Gerald have left?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
Gerald gave away 20 x 1 / 4 = 5 of his toy cars. Therefore, he is left with 20 - 5 = 15 toy cars. Final answer: 15.
Assistant