If 25% of a rope is used up, and the rest is 5 meters more than what was used, how many meters is left on the rope?
一根绳子用去25%，剩下的比用去的多5米，则这根绳子还剩下多少米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / (1/2)</gadget>
<output>10</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">10 * (3/4)</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>