Dad is 24 years older than Xiaodong, and his age this year is three times that of Xiaodong. How old is dad?
爸爸比小东大24岁，爸爸今年的年龄是小东的3倍．爸爸今年多少岁？
<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>