The engineering team dug a canal, dug the full length (3/8) on the first day, and dug 40% of the full length on the second day, and dug a total of 186 meters in two days. How long is this canal in meters?
工程队挖一条水渠，第一天挖了全长的(3/8)，第二天挖了全长的40%，两天共挖了186米．这条水渠全长多少米？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/8) + (2/5)</gadget>
<output>31/40 = around 0.775</output>

<gadget id="calculator">186 / (31/40)</gadget>
<output>240</output>

<result>240</result>