Students go boating, 23 male students go, 29 female students go, and every 4 people take a boat, how many boats do you need to rent in total?
同学们去划船，男同学去了23人，女同学去了29人，每4人坐一条船，一共需要租多少条船？
<gadget id="calculator">23 + 29</gadget>
<output>52</output>

<gadget id="calculator">52 / 4</gadget>
<output>13</output>

<result>13</result>