Question: Darcy washes and drys 20 shirts and 8 pairs of shorts. If he folds 12 of the shirts and 5 of the shorts, how many more remaining pieces of clothing does Darcy have to fold?
Answer: Darcy still has to fold 20 - 12 = 8 shirts. Darcy still has to fold 8 - 5 = 3 shorts. Darcy has to fold a total of 8 + 3 = 11 pieces of clothing. The answer is 11.
[Question]Chuck breeds dogs. He has 3 pregnant dogs. They each give birth to 4 puppies. Each puppy needs 2 shots and each shot costs $5. How much did the shots cost?
[Answer]He has 3 * 4 = 12 puppies. So they need 12 * 2 = 24 shots. That means the vaccines cost 24 * 5 = $120. The answer is 120.
Q: Audrey is 7 years older than Heracles. In 3 years, Audrey will be twice as old as Heracles is now. How old is Heracles now?
A: Since Audrey is older than Heracles by 7 years, in 3 years he will be 10 years older than Heracles' current age. In 3 years he will be double Heracles' current age 10 * 2 = 20. Heracles is 10. The answer is 10.
Question: For his birthday, Geoffrey received clothes and money. His grandmother gave him €20, his aunt €25 and his uncle €30. With what he already had, he now has €125 in his wallet. He goes to a video game store and gets 3 games that cost 35 euros each. How much does he have left after this purchase?
Answer: Let’s calculate the total price of video games: 35€ X 3€ / game = 105€. Now let’s find out how much money Geoffrey has left by subtracting his spending from his starting amount of cash: 125€ - 105€ = 20€. The answer is 20.
[Question]Jay bought a book for $25, a pen for $4, and a ruler for $1. He paid with a fifty-dollar bill. How much change, in dollars, did Jay get?
[Answer]Jay spent 25 + 4 + 1 = 30 dollars. He received 50 - 30 = 20 dollars in change. The answer is 20.
[Question]Tamtam collected 65 shells in total. She got 13 purple shells, 8 pink shells, 18 yellow shells, and 12 blue shells. The remaining shells are color orange. How many orange shells are there?
[Answer]

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
Tamtam has a total of 13 + 8 + 18 + 12 = 51 shells that are not orange. Therefore, Tamtam has a total of 65 – 51 = 14 orange shells. The answer is 14.