Team A and Team B jointly built a canal. Team A built 65% of the total length, which is 3 kilometers longer than team B. What is the total length of this canal in kilometers?
甲、乙两队合修一条水渠，甲队修了全长的65%，比乙队多修了3千米．这条水渠的全长是多少千米？
<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">1 - (13/20)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(13/20) - (7/20)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3 / (3/10)</gadget>
<output>10</output>

<result>10</result>