To welcome the New Year, the students made 25 red flowers and 30 green flowers. How much more green flowers are made than red flowers?
为迎接新年，同学们做了25朵红花，30朵绿花．做的绿花比红花多百分之几？
<gadget id="calculator">30 - 25</gadget>
<output>5</output>

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

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