This year, Xiaohong is 24 years younger than her mother. Three years later, her mother will be 33 years old. When was Xiaohong born?
今年小红比妈妈小24岁，3年后妈妈33岁，小红哪年出生的？
<gadget id="calculator">33 - 3</gadget>
<output>30</output>

<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<gadget id="calculator">2_016 - 6</gadget>
<output>2_010</output>

<result>2_010</result>