The 1.8-meter-long bamboo pole was erected on the ground, and the shadow length was measured to be 0.9 meters. At the same time, the shadow length of the Jiyuan Tower was measured to be 18.4 meters. Find the height of the Era Tower? (column ratio calculation)
把1.8米长的竹竿直立在地面上，测得影长0.9米，同时测得纪元塔的影长为18.4米．求纪元塔的高？(列比例式计算)
<gadget id="calculator">1.8 / 0.9</gadget>
<output>2</output>

<gadget id="calculator">2 * 18.4</gadget>
<output>36.8</output>

<result>36.8</result>