At the same time, the height of a tree measured at the same place is 1.5 meters, and the shadow length is 0.6. The shadow length of a teaching building is measured to be 9 meters. How many meters is the height of this teaching building?
在同一时间，同一地点量一棵树的高是1.5米，影子长为0.6．量得一栋教学楼的影长是9米，这栋教学楼的高是多少米？
<gadget id="calculator">1.5 * 9</gadget>
<output>13.5</output>

<gadget id="calculator">13.5 / 0.6</gadget>
<output>22.5</output>

<result>22.5</result>