Students line up to do exercises. There are 9 people in front of Xiaoying and 4 people in the back. How many people are there in this team?
同学们排队做操，小英前面有9人，后面有4人，这一队共有多少人．
<gadget id="calculator">9 + 4 + 1</gadget>
<output>14</output>

<result>14</result>