The school bought 6 boxes of books, 120 books in each box, and distributed them to 5 grades on average. How many books were distributed to each grade?
学校买来6箱图书，每箱120本，平均分给5个年级，每个年级分得多少本？
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">120 * (6/5)</gadget>
<output>144</output>

<result>144</result>