In a wheat field, an automatic rotary sprinkler irrigation device with a range of 10m is used for irrigation. How many square meters is the sprinkler irrigation area?
在一块麦田里，用射程是10m的自动旋转喷灌装置进行喷灌．这个喷灌装置的喷灌面积是多少平方米？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<result>314</result>