The combined age of Xiao Ming and his mother is 30 years old. Xiao Ming's mother is five times as old as Xiao Ming. How old is Xiao Ming this year?
小明和妈妈的年龄加起来30岁，小明妈妈的年龄是小明的5倍，小明今年几岁了？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<result>5</result>