The circumference of the bottom of a cylinder is 12.56dm, and the height is 10dm. What is the volume of the cylinder in dm**2. (π takes 3.14)
一个圆柱体的底面周长是12.56dm，高10dm，这个圆柱体的体积是多少dm**2．(π取3.14)
<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 * 10</gadget>
<output>125.6</output>

<result>125.6</result>