The sum of the ages of Xiaohong and her father this year is x years old, and the sum of their ages after 5 years is x+how many years old.
今年小红和爸爸的年龄和是x岁，5年后他们的年龄和是x+多少岁．
<gadget id="calculator">5 + 5</gadget>
<output>10</output>

<result>10</result>