Teachers and students have the same number of male and female students during the spring outing. The number of male teachers is 5 times that of male teachers, and the number of female teachers is 4 times that of female teachers, and there are 10 more female teachers than male teachers. How many students went to the spring outing?
师生春游，男女生人数同样多，男生人数是男教师的5倍，女生人数是女教师的4倍，且女教师比男教师多10人．去春游的学生一共有多少人．
<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">20 / 5</gadget>
<output>4</output>

<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">20 * 10 * 2</gadget>
<output>400</output>

<result>400</result>