On Sunday, the young pioneers helped the nursing home to make clothes hangers. Xiaohua made 7, Xiaohong and Xiaogang made 13, and Xiaofang made 4. How many pieces did each person make on average?
星期天，少先队员帮助敬老院做衣架，小华做7个，小红和小刚合做了13个，小方做4个，平均每个人做多少个？
<gadget id="calculator">7 + 13 + 4</gadget>
<output>24</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<result>6</result>