There are 52 people in class 3 and 2, 13 people in the volleyball team, 18 people in the football team, 5 people in both the volleyball team and the football team, and the rest in the chorus team. How many people are there in the chorus team?
三2班有52人，参加排球队13人，参加足球队18人，有5人既参加排球队又参加足球队，其余参加合唱队，合唱队有多少人．
<gadget id="calculator">18 - 5</gadget>
<output>13</output>

<gadget id="calculator">13 + 13</gadget>
<output>26</output>

<gadget id="calculator">52 - 26</gadget>
<output>26</output>

<result>26</result>