Four classes of the third grade went on a spring outing, with 45 students in each class. The school has prepared 5 cars. How many people do each car take on average?
三年级4个班去春游，每班45人，学校准备了5辆汽车，平均每辆车要坐多少人？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">45 * (4/5)</gadget>
<output>36</output>

<result>36</result>