Xiaolan is 110 cm tall and Xiaoyu is 129 cm tall. How many centimeters is Xiaoyu taller than Xiaolan?
小兰身高110厘米，小玉身高129厘米，小玉比小兰高多少厘米．
<gadget id="calculator">129 - 110</gadget>
<output>19</output>

<result>19</result>