There are 5 fewer boys than girls in class 6 and 2. The ratio of boys to girls is 3:4. How many people are there in the class?
六2班男生比女生少5人，男生和女生人数的比是3：4，全班有多少人？
<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<result>35</result>