Use a 120 decimeter long iron wire to make a rectangular parallelepiped frame. It is known that the ratio of length, width, and height of this rectangular parallelepiped is 5:3:2. What is the volume of this rectangular parallelepiped frame?
用一根120分米长的铁丝做成一个长方体框架，已知这个长方体的长、宽、高的比是5：3：2，求这个长方体框架的体积是多少？
<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

<gadget id="calculator">120 / 4 / 10</gadget>
<output>3</output>

<gadget id="calculator">5 * 3 * 3 * 3 * 3 * 2</gadget>
<output>810</output>

<result>810</result>