The school newly bought 260 science and technology books and 180 story books, put these books on 4 bookshelves on average, how many books are placed on each bookshelf?
学校新买来260本科技书和180本故事书，把这些书平均放在4个书架上，平均每个书架放多少本？
<gadget id="calculator">260 + 180</gadget>
<output>440</output>

<gadget id="calculator">440 / 4</gadget>
<output>110</output>

<result>110</result>