One road has been repaired for the full length (3/5), leaving 240 meters unrepaired. How long is this road in meters?
一条路修了全长的(3/5)，还剩240米没有修．这条路全长多少米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">240 / (2/5)</gadget>
<output>600</output>

<result>600</result>