If the circumference of the cross-section of a log is 50.24 cm, what is the cross-sectional area of the log in square centimeters?
量得一根圆木的横截面周长是50.24厘米，这根圆木的横截面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>