Xiaomai is m years old, Xiao Qiao is 2 years older than Xiaomai, and 4 years younger than Xiaolan. Xiaolan's age is m+how old.
小麦m岁，小乔比小麦大2岁，比小兰年轻4岁，小兰的年龄是m+多少岁．
<gadget id="calculator">2 + 4</gadget>
<output>6</output>

<result>6</result>