There are 12 pears, take away (2/3), how many are taken away.
有12个梨，拿走它的(2/3)，拿走了多少个．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>

<result>8</result>