There are less than 40 students in the sixth grade class. When cleaning, (1/5) of the students will clean the garden, and (1/7) of the students will help the younger students. How many students are there in the sixth grade class?
六年级一班同学不足40人，打扫除时，(1/5)的同学去清理花园，(1/7)的同学去帮助低年级小同学．六年级一班有多少名学生．
<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<result>35</result>