Xiaohong has 10 candies, she ate (3/5) of them, how many candies are left?
小红有10颗糖，她吃了其中的(3/5)，还剩多少颗．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">10 * (2/5)</gadget>
<output>4</output>

<result>4</result>