The ratio of male to female students in the school's science and technology team is 7:4, and there are 6 fewer girls than boys. How many people are there in the science and technology team?
学校科技小组男女生人数比是7：4，其中女生比男生少6人，科技小组共有多少人．
<gadget id="calculator">7 - 4</gadget>
<output>3</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">7 + 4</gadget>
<output>11</output>

<gadget id="calculator">2 * 11</gadget>
<output>22</output>

<result>22</result>