Wang Ming, Li Hong and Zhang Hua achieved excellent results in the sports meeting. Teacher Wang bought 12 books to reward them. The average number of books each person gets is the total number ((())/(())), how many books per person gets on average.
王明、李红和张华在运动会中取得了优异成绩，王老师买了12本书奖励他们．平均每人得到的书的本数是总数的((())/(()))，平均每人得到多少本．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<result>4</result>