In winter, the indoor temperature is 17°C and the outdoor temperature is -19°C, how much is the indoor temperature higher than the outdoor temperature?
冬天室内温度是17℃，室外温度是-19℃，那么室内温度比室外温度高多少℃．
<gadget id="calculator">17 - (-19)</gadget>
<output>36</output>

<result>36</result>