There are 25 male students and 20 female students in Class 1 of the sixth grade. How many percent are female students less than male students?
六年级一班有男同学25名，女同学20名，女同学比男同学少百分之几？
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">5 / 25</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>