Put together 5 cubes whose edge length is 5dm to form a three-dimensional figure, what is the volume of this three-dimensional figure?
把5个棱长是5dm的正方体拼成一个立体图形，这个立体图形的体积是多少．
<gadget id="calculator">5 * 5 * 5 * 5</gadget>
<output>625</output>

<result>625</result>