(1/3)*12.56=how much.
(1/3)*12.56=多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12.56</gadget>
<output>4.186667</output>

<result>4.186667</result>