Xiaoping is his father's age (1/3) this year, and they will be 22 years old in a few years, so how old is Xiaoping this year?
小平今年是他父亲年龄的(1/3)，若干年后他们相差22岁，那么小平今年多少岁．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">22 / (2/3)</gadget>
<output>33</output>

<gadget id="calculator">33 * (1/3)</gadget>
<output>11</output>

<result>11</result>