In the evening of a certain day, the temperature dropped from 6°C above zero in the morning to 8°C. What is the temperature in the evening of that day?
某日傍晚，气温有上午零上6℃下降了8℃，这天傍晚的气温是多少．
<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<result>2</result>