There is a cylindrical well with a perimeter of 314 centimeters and a depth of 36 centimeters. The usual water storage depth is five-sixth of the well depth. How many cubic meters of water does this well usually store?
有一口圆柱形水井，它的井口周长是314厘米，井深是36厘米，平时蓄水的深度是井深的六分之五，这口井平时的蓄水量是多少立方米？
<gadget id="calculator">314 / 3.14 / 2</gadget>
<output>50</output>

<gadget id="calculator">50 ** 2</gadget>
<output>2_500</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) / 1_000_000</gadget>
<output>1/1_200_000 = around 0.000001</output>

<gadget id="calculator">3.14 * 2_500 * 36 * (1/1_200_000)</gadget>
<output>0.2355</output>

<result>0.2355</result>