To build a canal, the entire length (3/14) was built on the first day, and 26 meters more than the first day was built on the second day. The ratio of the repaired to the unrepaired is 7:5. How many meters are left to be repaired?
修一条水渠，第一天修了全程的(3/14)，第二天比第一天多修了26米，已修的和未修的比为7：5，还剩多少米没有修？
<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">3 / 14</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">(3/14) * 2</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(7/12) - (3/7)</gadget>
<output>13/84 = around 0.154762</output>

<gadget id="calculator">26 / (13/84)</gadget>
<output>168</output>

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

<gadget id="calculator">168 * (5/12)</gadget>
<output>70</output>

<result>70</result>