Schools in Haikou City are donating books to poverty-stricken areas. If a car holds 50,000 books, 8 cars are needed, and there are 10 cars. How many books are in each car?
海口市各学校在为贫困地区捐书活动中，如果一辆车装5万册，需8辆车，现有10辆车，每车装多少册？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

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

<result>4</result>