The area of the base of a cone is 15.7 square centimeters and the height is 3 centimeters. What is its volume in cubic centimeters?
一个圆锥体的底面积是15.7平方厘米，高是3厘米，它的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 15.7 * 3</gadget>
<output>15.7</output>

<result>15.7</result>