What is (1/3) of nine pencils, and ((())/(())) of 12 pencils is 4 pencils.
九枝铅笔的(1/3)是多少支，12支铅笔的((())/(()))是4支铅笔．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>3</result>