Xiaofang is 1.6 meters tall, and her shadow is 2.4 meters long. If the shadow of a tree is 9 meters long at the same time, how tall is the tree?
小芳的身高1.6米，她的影长是2.4米，如果同一时间，同一地点测得一棵树的影子长9米，这棵树有多高？
<gadget id="calculator">1.6 * 9</gadget>
<output>14.4</output>

<gadget id="calculator">14.4 / 2.4</gadget>
<output>6</output>

<result>6</result>