The smallest sea in the world is the Marmara Sea. Its area is 11,000 square kilometers, which is twice the area of Taihu Lake in my country. How many square kilometers is the area of Taihu Lake? (solution by equation)
世界上最小的海是马尔马拉海，它的面积是11000平方千米，是我国太湖面积的2倍，太湖面积是多少平方千米？(用方程解)
<gadget id="calculator">11_000 / 2</gadget>
<output>5_500</output>

<result>5_500</result>