A cylindrical bucket with a depth of 5 decimeters. The circumference of the bottom of the bucket measured from the inside is 12.56 decimeters. How many liters of water can this bucket hold?
一个圆柱形水桶，桶深5分米，从里面量桶底的周长是12.56分米，这个水桶能装水多少升？
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>

<result>62.8</result>