At a certain moment, the height of the tree is 1 meter, and the length of the shadow is 0.25 meters. If a tree is 4.8 meters high, what is the length of its shadow at the same time?
某一时刻，树的高度1米，影的长度0.25米．如果一棵树高4.8米，则在同一时刻它的影长是多少米？
<gadget id="calculator">1 / 0.25</gadget>
<output>4</output>

<gadget id="calculator">4.8 / 4</gadget>
<output>1.2</output>

<result>1.2</result>