There are 45 students in Class 8 of the fifth grade, including 25 girls. What percentage of the total number of students in the class are girls more than boys?
五年级8班有学生45人，其中有女生25人，女生比男生多占全班总人数的几分之几？
<gadget id="calculator">45 - 25</gadget>
<output>20</output>

<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">5 / 45</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>