Xiao Ming is 14 years old this year, and his father is three times the age of Xiao Ming. How much older will his father be than Xiao Ming in two years?
小明今年14岁，爸爸的年龄是小明的3倍，两年后爸爸比小明大多少岁？
<gadget id="calculator">14 * 3</gadget>
<output>42</output>

<gadget id="calculator">42 - 14</gadget>
<output>28</output>

<result>28</result>