20 meters is 20% shorter than 25 meters, how much longer is 25 meters than 20 meters
20米比25米短20%，25米比20米长多少
<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>