If the highest temperature in a certain place is 8°C and the lowest temperature is -2°C on a certain day, what is the temperature difference in that day in this place?
某地某天的最高气温是8℃，最低气温是-2℃，则该地这一天的温差是多少℃
<gadget id="calculator">8 - (-2)</gadget>
<output>10</output>

<result>10</result>