Stand a bamboo pole with a length of 1.5 meters on the ground next to the teaching building of the school, and measure its shadow length of 1.8 meters. At the same time and at the same place, the shadow length of the teaching building is 13 meters. How many meters is the height of the teaching building? (Solve with ratio)
在学校教学楼的旁边把一根长1.5米的竹竿直立在地面上，量出它的影长1.8米，在同一时间同一地点量得教学楼的影长为13米，教学楼高多少米？(用比例解)
<gadget id="calculator">1.5 / 1.8</gadget>
<output>0.833333</output>

<gadget id="calculator">0.833333 * 13</gadget>
<output>10.833329</output>

<result>10.833329</result>