A cylinder and a cone have the same base and height, both have a diameter of 4 cm and a height of 6 cm. What is their total volume in cubic centimeters?
一个圆柱和一个圆锥等底等高，底面直径都是4cm，高都是6cm．它们的体积一共是多少立方厘米？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 6</gadget>
<output>75.36</output>

<gadget id="calculator">75.36 / 3</gadget>
<output>25.12</output>

<gadget id="calculator">75.36 + 25.12</gadget>
<output>100.48</output>

<result>100.48</result>