The sum of the ages of Xiao Ming and his father is 34 years old. Three years later, his father is 24 years older than Xiao Ming. How old is Xiao Ming this year?
小明和爸爸现在年龄的和是34岁，3年后爸爸比小明大24岁，今年小明多少岁．
<gadget id="calculator">34 - 24</gadget>
<output>10</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>