There are x white rabbits, black rabbits belong to white rabbits (5/9), how many white rabbits and black rabbits are there in total?
白兔有x只，黑兔是白兔的(5/9)，白兔和黑兔共有多少只．
<gadget id="calculator">14 / 9</gadget>
<output>14/9 = around 1.555556</output>

<result>14/9 = around 1.555556</result>