Xiao Ming and his classmates measured that the shadow of the flagpole was 5 meters long and the shadow of the meter stick was 40 centimeters long. How many meters is the flagpole high? (Solve with ratio)
小明与同学们在操场上测量出旗杆的影子长5米，同时测量米尺的影子长40厘米，旗杆高多少米？(用比例解)
<gadget id="calculator">100 * 5</gadget>
<output>500</output>

<gadget id="calculator">500 / 40</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>