The number A is 5, the number B is 9, and the number A is the number B.
甲数是5，乙数是9，甲数是乙数的多少．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

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