(4/(()))=12/15=((())/30)=(24/(()))=how much (decimal)
(4/(()))=12/15=((())/30)=(24/(()))=多少(小数)
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>