There are 18 sticks in a pile. Take out (1/2) of this pile of small sticks, how many sticks did you take out?
一堆小棒有18根．拿出这堆小棒的(1/2)，拿出了多少根．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">18 * (1/2)</gadget>
<output>9</output>

<result>9</result>