Xiaogang is 7 years old this year, and his mother is 5 times as old as Xiaogang. How old is his mother?
小刚今年7岁，妈妈的年龄是小刚的5倍，妈妈今年多少岁．
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>