Xiaohua is 1.6m tall, and the shadow length is 2.4m. At the same place and time, the tree shadow is 6m long. How many meters is the tree height?
小华身高1.6m，影长2.4m，同一地点和时间，树影长6m，树高多少米？
<gadget id="calculator">1.6 / 2.4</gadget>
<output>0.666667</output>

<gadget id="calculator">0.666667 * 6</gadget>
<output>4.000002</output>

<result>4.000002</result>