My mother is 35 years old this year, and Xiao Ming is 8 years old this year. After 5 years, how much older will my mother be than Xiao Ming?
妈妈今年35岁，小明今年8岁，5年以后，妈妈比小明大多少岁．
<gadget id="calculator">35 - 8</gadget>
<output>27</output>

<result>27</result>