A wooden stick with a length of 1.8 meters is erected on the ground, and its shadow length is measured to be 3 meters. At the same time, the shadow length of the flagpole of the school is measured to be 16.2 meters. How tall is the flagpole?
把一根长1.8米的木棒直立在地上，量得它的影长是3米，同时量得学校的旗杆影长是16.2米．旗杆的高是多少？
<gadget id="calculator">1.8 / 3</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 * 16.2</gadget>
<output>9.72</output>

<result>9.72</result>