A canal, the full length (2/7) was built on the first day, which is 140 meters, and the full length (1/5) was built on the second day, how many meters was repaired the next day?
一条水渠，第一天修了全长的(2/7)，是140米，第二天修了全长的(1/5)，第二天修多少米？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">140 / (2/7)</gadget>
<output>490</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">490 * (1/5)</gadget>
<output>98</output>

<result>98</result>