The fourth grade students of a primary school organized a visit to the Science and Technology Museum. There were 204 boys and 196 girls. If there is one car for every 40 people, how many cars are needed?
某小学四年级学生组织参观科技馆，男生有204人，女生有196人．如果每40人坐一辆汽车，一共需要多少辆汽车？
<gadget id="calculator">204 + 196</gadget>
<output>400</output>

<gadget id="calculator">400 / 40</gadget>
<output>10</output>

<result>10</result>