The highest temperature in Beijing is 5°C, and the lowest temperature is -6°C. What is the temperature difference in Beijing on this day in °C?
北京的最高气温是5℃，最低气温是-6℃，北京这一天的温差是多少℃．
<gadget id="calculator">5 - (-6)</gadget>
<output>11</output>

<result>11</result>