A bamboo pole with a length of 3 meters has a shadow length of 0.6 meters. Now the shadow length of another object is measured to be 1.8 meters. How tall is this object?
3米长的竹竿，影长0.6米，现在测得另一物体影长是1.8米，这个物体有多高？
<gadget id="calculator">0.6 / 3</gadget>
<output>0.2</output>

<gadget id="calculator">1.8 / 0.2</gadget>
<output>9</output>

<result>9</result>