This year, Wang Ping's age belongs to her mother (1/3). Two years ago, the age difference between mother and child was 24 years old. How many years later, Xiaoping's age belongs to her mother's (1/2).
今年王萍的年龄是妈妈的(1/3)，二年前母子年龄相差24岁，多少年后小萍的年龄是妈妈的(1/2)．
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<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">24 / (2/3)</gadget>
<output>36</output>

<gadget id="calculator">48 - 36</gadget>
<output>12</output>

<result>12</result>