The students go on a spring outing. There are 400 students in the fourth grade, and each bus carries 50 passengers. How many buses are needed?
同学们去春游，四年级有400人，每辆客车载客50人，需要多少辆客车．
<gadget id="calculator">400 / 50</gadget>
<output>8</output>

<result>8</result>