The circumference of the base of a cone is 94.2 cm, and the height is 25 cm. The ratio of the radius of the base of a cylinder to the length of the radius of the base of the cone is 2:3, and the height is equal to the cone. What is the volume of the cylinder?
一个圆锥体底面周长是94.2厘米，高是25厘米，一个圆柱的底面半径与这个圆锥底面半径的长度之比是2：3，高与这个圆锥相等，这个圆柱的体积是多少．
<gadget id="calculator">94.2 / 3.14 / 2</gadget>
<output>15</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">15 * (2/3)</gadget>
<output>10</output>

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

<gadget id="calculator">3.14 * 100 * 25</gadget>
<output>7_850</output>

<result>7_850</result>