Maomao reads a book, how many days does it take to finish reading (1/6) of this book every day.
毛毛看一本书，每天看这本书的(1/6)，多少天可以看完．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

<result>6</result>