Xiao Ming ran 50 meters in 8.3 seconds, and Xiao Hong ran 50 meters in 9.2 seconds. Which of them ran faster? How many seconds faster?
小明跑50米用了8.3秒，小红跑50米用了9.2秒，他们俩谁跑得快？快多少秒？
<gadget id="calculator">9.2 - 8.3</gadget>
<output>0.9</output>

<result>0.9</result>