The inner radius of Xiaowen's water pipe is 1 cm, and the flow rate of water in the water pipe is 10 cm per second. Once, Xiaowen washed his hands in the basin and forgot to turn off the tap when he left. How many liters of water was wasted in 10 minutes.
小文家的自来水管的内半径是1厘米，水管内水的流速是每秒10厘米．有一次，小文在台盆洗手，走时忘记关水龙头，10分钟浪费多少升水．
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">10 * 60 * 10</gadget>
<output>6_000</output>

<gadget id="calculator">6_000 / 1_000</gadget>
<output>6</output>

<gadget id="calculator">3.14 * 1 * 6</gadget>
<output>18.84</output>

<result>18.84</result>