In a certain place, the temperature at 8:00 a.m. is -3°C. After 6 hours, the temperature rises by 7°C, and after another 6 hours, the temperature drops by 3°C. What is the temperature at this time?
某地一天上午8时的气温是-3℃，过6小时气温上升了7℃，又过6小时气温又下降了3℃，这时的气温是多少℃．
<gadget id="calculator">3 + 3</gadget>
<output>6</output>

<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<result>1</result>