The elder sister is older than Xiaohong (1/6), and Xiaohong is 2 years younger than her elder sister. How old is Xiaohong this year?
姐姐的年龄比小红大(1/6)，小红比姐姐小2岁．小红今年多少岁．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 / (1/6)</gadget>
<output>12</output>

<result>12</result>