To build a canal, the full length (2/11) has been built, and then another 160 meters was built, and the two times totaled 400 meters. How long is this canal in meters?
修一条水渠，已经修了全长的(2/11)，后来又修了160米，两次一共修了400米．这条水渠全长多少米？
<gadget id="calculator">400 - 160</gadget>
<output>240</output>

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">240 / (2/11)</gadget>
<output>1_320</output>

<result>1_320</result>