There is a towering tree in the campus. The teachers and classmates don’t know how tall it is. When she was in school, the smart Xiaohong quietly stood beside the tree with a tape measure, and measured her shadow length to be 3.2 meters. The shadow is 50 meters long, and Xiaohong's height is 1.6 meters. Now you must know how tall the tree is, right?
校园里有一棵参天大树，老师和同学们都不知道它有多高，聪明的小红上学的时候悄悄地拿着卷尺站到了树旁，测出了自己的影长是3.2米，树的影长50米，而小红的身高是1.6米，这下你一定知道树有多高了吧？
<gadget id="calculator">50 * 1.6</gadget>
<output>80</output>

<gadget id="calculator">80 / 3.2</gadget>
<output>25</output>

<result>25</result>