If there are 45 people in class 6 and 3, the number of people participating in the art club is 5 more than the number of people participating in the literature club, and there are 20 people participating in both clubs, how many people are participating in the art club?
若六3班有45人，参加艺术社团的人数比参加文学社团的人数多5人，且两社团都参加的有20人，问参加艺术社团的人数为多少人？
<gadget id="calculator">45 - 5</gadget>
<output>40</output>

<gadget id="calculator">20 + 40</gadget>
<output>60</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<result>35</result>