In the morning, the shadow of a 1-meter-long tree is 1.5 meters long, and the shadow of the school teaching building measured at the same time is 15 meters long. How high is the teaching building?
早上量得一棵1米长的影子长1.5米，同时量的学校教学楼的影子长15米，这座教学楼高多少米？
<gadget id="calculator">15 / 1.5</gadget>
<output>10</output>

<result>10</result>