A bag of rice is eaten every day (1/2), how many days can it be eaten.
一袋大米每天吃(1/2)，多少天能吃完．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<result>2</result>