A road has been built, 5 kilometers have been built, and the rest accounted for (7/5) of the repaired, how many kilometers is this road?
修一条公路，已修5千米，剩下的占已修的(7/5)，这条公路长多少千米？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">5 * (7/5)</gadget>
<output>7</output>

<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<result>12</result>