A piece of cuboid steel is 10 decimeters long, 5 decimeters wide, and 4 decimeters high. What is the volume of this piece of steel?
一段长方体钢材，长10分米，宽5分米，高4分米．这块钢材的体积是多少？
<gadget id="calculator">10 * 5 * 4</gadget>
<output>200</output>

<result>200</result>