Grandma Li raised 15 hens, 35 paper roosters, and one coop for every five chickens. How many coops are needed in total?
李奶奶养了15只母鸡，35纸公鸡，每5只鸡一个鸡笼，一共需要多少个鸡笼？
<gadget id="calculator">15 + 35</gadget>
<output>50</output>

<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<result>10</result>