A road construction team has already repaired 18 kilometers, just repaired (1/3) of the whole project, how many kilometers are left to be repaired?
一个修路队已经修了18千米，正好修了全部工程的(1/3)，还剩多少千米没有修？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 / (1/3)</gadget>
<output>54</output>

<gadget id="calculator">54 - 18</gadget>
<output>36</output>

<result>36</result>