There is a piece of iron with a side length of 80 cm. Now it is melted and cast into a cuboid with a cross section of 20 square centimeters. What is the volume of this cuboid in decimeters?
有一块棱长是80cm的正方体的铁块，现在把它熔铸成一个横截面是20平方厘米的长方体，这个长方体的体积是多少分米？
<gadget id="calculator">80 / 10</gadget>
<output>8</output>

<gadget id="calculator">8 * 8 * 8</gadget>
<output>512</output>

<result>512</result>