There are 4 bookshelves in the school library, and there are 360 books on each shelf on average. If these books are distributed to 6 grades, how many books are distributed to each grade on average?
学校图书馆有4个书架，平均每个书架上放书360本，把这些书平均分给6个年级，平均每个年级分到多少本？
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">360 * (2/3)</gadget>
<output>240</output>

<result>240</result>