Every time she goes to the store, Felicity gets a lollipop

Every time she goes to the store, Felicity gets a lollipop. After she finishes them, she uses the sticks to build a fort. The fort needs 400 sticks to finish it. Her family goes to the store three times a week and she always goes. If the fort is 60% complete, how many weeks has Felicity been collecting lollipops for?

GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #2722