It took exactly 2 hours for a plane to fly from Haikou to Guangzhou. The first hour flew the entire distance (5/11), and the second hour flew 80 kilometers more than the first hour. How far is it from Haikou to Guangzhou?
一架飞机从海口飞往广州，刚好用了2小时，第一小时飞行了全程的(5/11)，第二小时比第一小时多飞行80千米．海口到广州大约有多少千米？
<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">1 - (5/11) - (5/11)</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">80 / (1/11)</gadget>
<output>880</output>

<result>880</result>