The carton factory processes a batch of cartons for tools. The length of the box is 2 decimeters, and the cross section is a square with a side length of 5 centimeters. What is the volume of this carton in cubic centimeters?
纸盒厂加工一批装工具的纸盒，盒长2分米，横截面是边长5厘米的正方形，这个纸盒的体积是多少立方厘米？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 * 5 * 5</gadget>
<output>500</output>

<result>500</result>