Grandpa is 77 years old this year, which is 7 times the age of Xiao Ming. How old is Xiao Ming this year?
爷爷今年77岁，是小明岁数的7倍，小明今年多少岁．
<gadget id="calculator">77 / 7</gadget>
<output>11</output>

<result>11</result>