It is known that the base area of a cylinder is the same as the side area. If the height of this cylinder is 5 cm, what is its volume in cubic centimeters (π takes 3.14).
已知一个圆柱体的底面积和侧面积相同．如果这个圆柱体的高是5厘米，那么它的体积是多少立方厘米(π取3.14)．
<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 5</gadget>
<output>1_570</output>

<result>1_570</result>