To dig a canal, the full length (1/3) was dug in July, the full length (5/12) was dug in August, and (5/6) kilometers more was dug in August than in July. How long is this canal in kilometers?
挖一条水渠，七月份挖了全长的(1/3)，八月份挖了全长的(5/12)，八月份比七月份多挖(5/6)千米．这条水渠全长是多少千米？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/12) - (1/3)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(5/6) / (1/12)</gadget>
<output>10</output>

<result>10</result>