To dig a canal, the full length (3/5) has been dug, which is exactly 240 meters. How many meters is the total length of this canal?
挖一条水渠，已经挖了全长的(3/5)，正好是240米，这条水渠全长多少米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">240 / (3/5)</gadget>
<output>400</output>

<result>400</result>