To build a road, the full length (3/4) has been repaired, just over half of this road is more than 6 kilometers. How long is this road in kilometers? (solution by equation)
修一条公路，已经修了全长的(3/4)，正好修了这条公路的一半多6千米．这条公路全长为多少千米？(用方程解)
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/4) - (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">6 / (1/4)</gadget>
<output>24</output>

<result>24</result>