A road has been built and (1/3) is exactly 3 kilometers long. How long is this road in kilometers?
修一条路，已经修了(1/3)正好是3千米，这条路长多少千米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / (1/3)</gadget>
<output>9</output>

<result>9</result>