Two wires, the first one is 5 meters long, the second one is 25 meters long, what is the length of the first one equal to the length of the second one.
两根电线，第一根长5米，第二根长25米，第一根的长度是第二根的多少．
<gadget id="calculator">5 / 25</gadget>
<output>1/5 = around 0.2</output>

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