There are 4 bookshelves in the school library, and an average of 240 books are placed on each shelf. These books are distributed to 6 classes on average. How many books are distributed to each class on average?
学校图书馆有4个书架，平均每个书架上放书240本，把这些书平均分给6个班级，平均每个班级分到多少本？
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">240 * (2/3)</gadget>
<output>160</output>

<result>160</result>