If a cylinder has a base diameter of 4 cm and a height of 10 cm, what is the volume of a cuboid with the same base and height in cubic centimeters?
一个圆柱体底面直径是4cm，高是10cm，与它等底等高的长方体的体积是多少立方厘米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">12.56 * 10</gadget>
<output>125.6</output>

<result>125.6</result>