Li Xing reads a book, reads (1/6) of the whole book every day, and how much of the whole book he reads in 3 days.
李行看一本书，每天看全书的(1/6)，3天看了全书的多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 3</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>