(3/4)*(3/4)+(3/4)*(1/4)=how much.
(3/4)*(3/4)+(3/4)*(1/4)=多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * (3/4)</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) * (1/4)</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">(9/16) + (3/16)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>