Dongfeng Elementary School has 70 athletes lined up. After counting, No. 10 to No. 20, No. 30 to No. 40, No. 60 to No. 70 leave the team. How many other athletes are there?
东风小学有70名运动员排成一行，报数后，10号至20号，30号至40号，60号至70号离开队伍．原地还有多少名运动员？
<gadget id="calculator">70 - 11 - 11 - 11</gadget>
<output>37</output>

<result>37</result>