The perimeter of the base of a cuboid is 20 cm, and the ratio of length, width, and height is 3:2:1. What is the volume of the cuboid in cubic centimeters?
长方体底面周长20厘米，长、宽、高的比3：2：1，这个长方体的体积是多少立方厘米．
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">3 * 2 * 2 * 2 * 1 * 2</gadget>
<output>48</output>

<result>48</result>