# 4簡答型4. There are 4,250 students in a school. Each student receives 12 books. How many books are needed in total?
# 5簡答型5. A warehouse stores 36,754 cartons of milk. If each carton contains 24 packs, how many packs of milk are there in total?
# 10簡答型10. A farmer plants 4,678 trees in one plantation. If he owns 26 plantations, how many trees does he have in total?