Mr. Wang and his classmates went boating. There were 22 boys and 28 girls. There is one boat for every 5 people. How many boats should we rent at least?
王老师和同学们去划船，男生去了22人，女生去了28人，每5人一条船，至少要租多少条船？
<gadget id="calculator">22 + 28</gadget>
<output>50</output>

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

<result>10</result>