The school held a sports meeting. In the 100-meter race, Xiaohua took 13.5 seconds and Xiaojun took 12.95 seconds. Which of them ran faster? How many seconds faster?
学校开运动会，在百米赛跑中，小华用了13.5秒，小军用了12.95秒，他俩谁跑的快？快多少秒？
<gadget id="calculator">13.5 - 12.95</gadget>
<output>0.55</output>

<result>0.55</result>