From A to B, (1/4) is an uphill road, (1/3) is a downhill road, and the rest are flat roads. Xiaoxiao goes back and forth between A and B once, and the total uphill road is 5 kilometers. What is the distance between A and B? km?
从甲地到乙地，其中是(1/4)上坡路，(1/3)是下坡路，其余是平路，笑笑在甲乙两地往返一次，共走上坡路5千米，甲乙两地相距多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/4) + (1/3)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">5 / (7/12)</gadget>
<output>60/7 = around 8.571429</output>

<result>60/7 = around 8.571429</result>