The total number of students in classes A and B is equal. It is known that the number of male students in class A is (1/5) the number of female students in class B, and the number of male students in class B is (1/4) the number of female students in class A, and There is a difference of 2 female students in Class A and Class B. So how many girls are there in Class A and Class B?
甲、乙两个班的总人数相等，已知甲班男同学人数是乙班女同学人数的(1/5)，乙班男同学人数是甲班女同学人数的(1/4)，而且甲、乙班女同学相差2人．那么甲、乙两班共有多少名女生？
<gadget id="calculator">16 - 15</gadget>
<output>1</output>

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">15 + 16</gadget>
<output>31</output>

<gadget id="calculator">2 * 31</gadget>
<output>62</output>

<result>62</result>