Calculation: -9/3*(1/3)=how much.
计算：-9/3*(1/3)=多少．
<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>1</result>