If (1/3) of a number is 9, what is its (1/9)?
一个数的(1/3)是9，则它的(1/9)是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 / (1/3)</gadget>
<output>27</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">27 * (1/9)</gadget>
<output>3</output>

<result>3</result>