Xiao Ming is 8 years old this year, and his father is four times as old as Xiao Ming. How old are Xiao Ming and his father together?
小明今年8岁，爸爸的岁数是小明的4倍，问小明和爸爸一共多少岁？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">32 + 8</gadget>
<output>40</output>

<result>40</result>