Xiaomei takes a small circular plate with a radius of 5 cm from a circular iron plate with a radius of 10 cm. What is the area of the remaining part in square centimeters?
小美在一个半径是10厘米的圆形铁板中取走一个半径是5厘米的小圆板．剩下的部分面积是多少平方厘米？
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>

<gadget id="calculator">314 - 78.5</gadget>
<output>235.5</output>

<result>235.5</result>