In order to welcome the sports meeting, the students made 25 yellow flags and 20 red flags. How many percent more yellow flags were there than the red flags?
为了迎接运动会，同学们做了25面黄旗，20面红旗，做的黄旗比红旗多百分之几？
<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>