There are 84 chickens in Xiaoming's house, which are more than ducks (5/9). How many ducks are there in Xiaoming's house?
小明家有鸡84只，比鸭多(5/9)，小明家有鸭多少只．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 + (5/9)</gadget>
<output>14/9 = around 1.555556</output>

<gadget id="calculator">84 / (14/9)</gadget>
<output>54</output>

<result>54</result>