5 students donated books for the class book corner, Xinyu 8 books, Wang Bo 6 books, Zhenyao 9 books, Ma Li 8 books, Xiaodong 14 books, how many books each person donated on average.
5位同学为班图书角捐书，欣宇8本，王波6本，真尧9本，马丽8本，小东14本，平均每人捐了多少本．
<gadget id="calculator">8 + 6 + 9 + 8 + 14</gadget>
<output>45</output>

<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<result>9</result>