Xiaolan is 1.5m tall. On the school playground, she measured that her shadow length was 2.4m when she stood upright. At the same time, she measured the flagpole's shadow length as 19.2m. How many meters is the flagpole high?
小兰身高1.5m，她在学校操场上测得自己站直时的影长是2.4m，同时测得旗杆的影长是19.2m，旗杆高多少米？
<gadget id="calculator">19.2 * 1.5</gadget>
<output>28.8</output>

<gadget id="calculator">28.8 / 2.4</gadget>
<output>12</output>

<result>12</result>