(6/9)+(3/9)=how much
(6/9)+(3/9)=多少
<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/3) + (1/3)</gadget>
<output>1</output>

<result>1</result>