A road in a certain township is repaired, 2.4 kilometers are repaired on the first day, and the repair is less (1/7) on the first day than on the second day, how many kilometers are repaired in two days?
某乡修整一条路，第一天修整2.4千米，第一天比第二天少修整(1/7)，两天共修整多少千米？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">2.4 / (6/7)</gadget>
<output>2.8</output>

<gadget id="calculator">2.4 + 2.8</gadget>
<output>5.2</output>

<result>5.2</result>