A glass is 12.25 yuan, and a ceramic cup is 9.72 yuan. Which kind of cup is more expensive? How much is it expensive?
一个玻璃杯12.25元，一个陶瓷杯9.72元，哪种杯子贵？贵多少元？
<gadget id="calculator">12.25 - 9.72</gadget>
<output>2.53</output>

<result>2.53</result>