There is a sidewalk 8 meters wide, covering an area of 800 square meters. For convenience, the width of the road is increased to 12 meters, and the length remains unchanged. What is the area of this sidewalk after widening?
有一条宽8米的人行道，占地面积是800平方米．为了方便，道路的宽增加到12米，长不变．问扩宽后这条人行道的面积是多少？
<gadget id="calculator">800 / 8</gadget>
<output>100</output>

<gadget id="calculator">100 * 12</gadget>
<output>1_200</output>

<result>1_200</result>