In Xiaoling's bathroom, there is a water pipe with an inner diameter of 2 cm, and the speed of water flow is 8 cm per second. Xiaoling often does not turn off the tap when brushing her teeth. If Xiaoling brushes her teeth for about 2 minutes each time, how many milliliters of water is wasted in one brushing process?
小玲家的卫生间有根内直径2cm的自来水管，水流的速度是每秒8cm．小玲在刷牙是经常不关水龙头，如果小玲每次刷牙大约用2分钟，那么在一次刷牙的过程中一共浪费了多少毫升水？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 2 * 60 * 8</gadget>
<output>3_014.4</output>

<result>3_014.4</result>