Read a book, read the whole book every day (1/14), and read the whole book in 3 days ((())/(())).
看一本书，每天看全书的(1/14)，3天看了全书的((())/(()))．
<gadget id="calculator">1 / 14</gadget>
<output>1/14 = around 0.071429</output>

<gadget id="calculator">(1/14) * 3</gadget>
<output>3/14 = around 0.214286</output>

<result>3/14 = around 0.214286</result>