Six automatic rotating sprinkler irrigation devices are installed on the lawn of the square. The range of each device is 8m. How much lawn can be sprayed for each rotation?
广场的草坪上装了6个自动旋转喷灌装置，每个装置的射程是8m，每转动一圈，共可喷灌多大面积的草坪？
<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64 * 6</gadget>
<output>1_205.76</output>

<result>1_205.76</result>