The inner diameter of the water pipe is 2 centimeters, and the flow rate is 8 centimeters per second. Xiao Ming forgets to turn off the tap when he washes his hands between classes, how many liters of water will be wasted in 10 minutes.
自来水管的内直径是2厘米，流速是每秒8厘米，小明课间去洗手忘记关水龙头，10分钟浪费水多少升．
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

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

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

<gadget id="calculator">60 / 1_000</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">3.14 * 1 * 8 * 10 * (3/50)</gadget>
<output>15.072</output>

<result>15.072</result>