The road construction team plans to build 25 kilometers of roads, and it has been repaired (2/5). How many kilometers have they been repaired?
修路队计划修路25千米，已经修了(2/5)，修了多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">25 * (2/5)</gadget>
<output>10</output>

<result>10</result>