How many sticks are taken from 18 sticks (5/9).
从18根小棒中取出(5/9)是多少根根．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">18 * (5/9)</gadget>
<output>10</output>

<result>10</result>