In order to implement the "Revitalizing Reading Plan", the school library distributes 66 science and technology books and 24 literature and art books to 6 classes on average. How many books can each class get on average?
为了实施"振兴阅读计划"，学校图书馆把66本科技书和24本文艺书平均分给6个班，平均每个班可分到多少本书？
<gadget id="calculator">66 + 24</gadget>
<output>90</output>

<gadget id="calculator">90 / 6</gadget>
<output>15</output>

<result>15</result>