This year, the ratio of Xiaoling's age to her mother's age is 1:3. Next year, Xiaoling will be 24 years younger than her mother. How old is her mother this year?
今年小玲年龄与妈妈年龄的比为1：3，明年小玲比妈妈小24岁，妈妈今年几岁？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>