A certain village has dug a canal, which has already dug its full length (2/5), which is exactly 1200 meters. What is the total length of this canal?
某村挖一条水渠，已经挖了全长的(2/5)，正好挖1200米，这条水渠全长多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1_200 / (2/5)</gadget>
<output>3_000</output>

<result>3_000</result>