The number of gymnastics teams in the school is between 30 and 40. If they are divided into groups of 5, 1 person is less, and if they are divided into groups of 7, 1 person is less. How many people are there in the school dance team?
学校体操队人数在30～40之间，把他们分成5人一组少1人，分成7人一组也少1人．学校舞蹈队有多少人？
<gadget id="calculator">35 - 1</gadget>
<output>34</output>

<result>34</result>