Lizzy: Robin likes to bake cupcakes for friends and to make her puppy North happy. Once Robin ate four cupcakes with chocolate sauce and twice as many cupcakes with buttercream frosting on her own. How many cupcakes did Robin eat?.
Me: Hmmm, let me think. I think this is the detailed solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Robin ate twice as many buttercream cupcakes as chocolate sauce cupcakes, or 2 * 4 = 8. So in total she ate 4 + 8 = 12 cupcakes. Final answer: 12.