The circumference of a round table is 3.768 meters. Please design a square tablecloth so that the edge of the tablecloth must hang down at least 40 cm from the edge of the table. What is the area of the tablecloth?
一个圆桌的周长是3.768米，请你设计一块正方形桌布，使桌布的边至少要垂下桌边40厘米．这块桌布的面积是多少？
<gadget id="calculator">3.768 / 3.14</gadget>
<output>1.2</output>

<gadget id="calculator">0.4 * 2</gadget>
<output>0.8</output>

<gadget id="calculator">1.2 + 0.8</gadget>
<output>2</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<result>4</result>