Xiaoming is 2 years older than Xiaohua and 4 years younger than Xiaoqiang. If Xiaohua is m years old, how old is Xiaoqiang at m+.
小明比小华大2岁，比小强年轻4岁．如果小华是m岁，小强是m+多少岁．
<gadget id="calculator">2 + 4</gadget>
<output>6</output>

<result>6</result>