There are 30 pieces of chocolate in a bag, I ate (1/3) with a smile, how many pieces did I eat?
一袋巧克力有30块，笑笑吃了(1/3)，吃了多少块．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<result>10</result>