Xiaohua's home is 480 meters away from the school. It takes Xiaohua 9.6 minutes to go to school and 12 minutes to get home after school. How much faster is Xiaohua going to school than leaving school?
小华家距离学校480米，小华上学用9.6分钟到校，放学用12分钟到家．小华上学的速度比放学的速度快多少米？
<gadget id="calculator">480 / 9.6</gadget>
<output>50</output>

<gadget id="calculator">480 / 12</gadget>
<output>40</output>

<gadget id="calculator">50 - 40</gadget>
<output>10</output>

<result>10</result>