The range of an automatic rotary sprinkler on the lawn is 10 meters, what is the area it can irrigate?
草坪上一个自动旋转喷灌装置的射程是10米，它能喷灌的面积是多少？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

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

<result>314</result>