The library newly purchased 4 boxes of books, 80 books in each box, and distributed them to 5 reading groups on average. How many books did each reading group get?
图书馆新购进4箱图书，每箱80本，平均分给5个阅读小组，每个阅读小组分得多少本？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">80 * (4/5)</gadget>
<output>64</output>

<result>64</result>