Fuhua Building has 24 floors and is 67.2 meters high. Jianshe Building has 18 floors and is 57.6 meters high. Which building is taller and how many meters high?
富华大厦24层，高67.2米．建设大厦18层，高57.6米，哪一座大厦层高高一些，高多少米？
<gadget id="calculator">57.6 / 18</gadget>
<output>3.2</output>

<gadget id="calculator">67.2 / 24</gadget>
<output>2.8</output>

<gadget id="calculator">3.2 - 2.8</gadget>
<output>0.4</output>

<result>0.4</result>