There is a promotion in the supermarket, and the poster says that 3 empty "Coke" cans can be exchanged for one can of Coke. Xiaopeng's family has 10 cans of Coke, how many cans of Coke can he exchange at most.
超市搞促销，海报上写着，用3个空"可乐"易拉罐可以换一罐可乐，小鹏家有10罐可乐，他最多能换多少罐可乐．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>