The range of an automatic rotary sprinkler in a wheat field is 10 meters, how many square meters can it irrigate?
一种麦田的自动旋转喷灌器的射程是10米，它能喷灌的面积多少平方米？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

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

<result>314</result>