An engineering team plans to build a 100-meter-long road, and has already built 30 meters. How much of the total length has been repaired?
某工程队打算修一条100米长的路，已修了30米．修了的占这全长的多少．
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>