A project is completed in 14 days. On average, ((())/(())) of this project is completed every day. How many days are needed to complete (3/7) of this project.
一项工程14天完成，平均每天完成这项工程的((())/(()))，完成这项工程的(3/7)需要多少天．
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">1 / 14</gadget>
<output>1/14 = around 0.071429</output>

<gadget id="calculator">(3/7) / (1/14)</gadget>
<output>6</output>

<result>6</result>