Read a technical book, read (1/6) of it every day, how many days can you finish reading (1/2) of this book.
读一本科技书，每天读它的(1/6)，多少天可以读完这本书的(1/2)．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

<result>3</result>