tree is 6.8 meters high, and another tree is 1.25 times its height, what is the height of this tree in meters?
一棵树高6.8米，另外一棵树的高度是它的1.25倍，那么这棵树的高度是多少米．
<gadget id="calculator">6.8 * 1.25</gadget>
<output>8.5</output>

<result>8.5</result>