The lowest temperature in Huai'an in one day is -8℃, and the highest temperature is 5℃. What is the maximum temperature difference in degrees Celsius on this day?
一天淮安的最低气温是-8℃，最高气温是5℃．这一天的最大温差是多少℃．
<gadget id="calculator">5 - (-8)</gadget>
<output>13</output>

<result>13</result>