The road construction team repaired a road, and repaired its part (2/7) on the first day, and repaired its part (3/7) on the second day, what fraction was repaired in two days?
修路队修一条路，第一天修了它的(2/7)，第二天修了它的(3/7)，两天一共修了几分之几？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(2/7) + (3/7)</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>