Xiao Ming is 9 years old this year, his grandfather is 72 years old this year, how many times his age is his grandfather.
小明今年9岁，他爷爷今年72岁，爷爷的年龄是他的多少倍．
<gadget id="calculator">72 / 9</gadget>
<output>8</output>

<result>8</result>