If a cone has a base diameter of 2 meters and a height of 15 meters, what is the volume of a cylinder with the same base and height?
一个圆锥的底面直径是2米，高是15米，和它等底等高的圆柱的体积是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 15 * 3</gadget>
<output>47.1</output>

<result>47.1</result>