To welcome the new year, the students made 30 red flags, 5 more than the yellow flags, and how much more red flags were made than the yellow flags.
为迎接新年，同学们做了30面红旗，比做的黄旗多5面，做的红旗比黄旗多多少．
<gadget id="calculator">30 - 5</gadget>
<output>25</output>

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

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