The school science and technology team made a rocket booster model with a cone on the top and a cylinder on the bottom. The height of the cone is 4 cm, the height of the cylinder is 20 cm, and the diameter of their bottom is 6 cm. What is the volume of this model in cubic meters? centimeter?
学校科技小组制作一个上面是圆锥，下面是圆柱的火箭助推器模型，量得圆锥的高是4厘米，圆柱的高是20厘米，它们的底面直径是6厘米，这个模型的体积是多少立方厘米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 4</gadget>
<output>37.68</output>

<gadget id="calculator">3.14 * 9 * 20</gadget>
<output>565.2</output>

<gadget id="calculator">37.68 + 565.2</gadget>
<output>602.88</output>

<result>602.88</result>