Use a compass to draw a circle with a circumference of 50.24 cm. What is the area of the circle in square centimeters?
用圆规画一个周长50.24厘米的圆，所画的圆的面积是多少平方厘米．
<gadget id="calculator">50.24 / 3.14 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64</gadget>
<output>200.96</output>

<result>200.96</result>