A square grass field with a side length of 6 meters and a tree at each opposite corner. A sheep is tied to each tree with a rope length of 6 meters. What is the area where the two sheep can eat grass? (π=3.14)
一块正方形草地，边长6米，两对角各有一棵树，树上各拴一只羊，绳子长6米，问这两只羊都能吃到草的面积是多少？(π=3.14)
<gadget id="calculator">50.24 - 36</gadget>
<output>14.24</output>

<result>14.24</result>