There are 30 boys in class 5 and 5, and the number of boys accounts for 6/7 of the whole class. How many people are there in the class?
五5班有男生30人，男生人数占全班人数的(6/7)，全班有多少人？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">30 / (6/7)</gadget>
<output>35</output>

<result>35</result>