(5/12)*(6/20)=how much.
(5/12)*(6/20)=多少．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(5/12) * (3/10)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>