Dad is 38 years old this year, 29 years older than Lily, how old will Lily be in 5 years.
爸爸今年38岁，比莉莉大29岁，5年后，莉莉多少岁．
<gadget id="calculator">38 - 29</gadget>
<output>9</output>

<gadget id="calculator">9 + 5</gadget>
<output>14</output>

<result>14</result>