Xiao Xiang completed a project at 18:00 (2/7). How long will it take him to complete the entire project?
小向用18时完成了一项工程的(2/7)．他完成全部工程要花多少时间？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">18 / (2/7)</gadget>
<output>63</output>

<result>63</result>