Divide the number A by the number B to get (5/9), what is the ratio of the ratio of A and B.
甲数除以乙数得(5/9)，甲乙两数的比的比值是多少．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>