A section of square steel has a cross-section of a square with side length 4 decimeters and a length of 25 decimeters. If the steel weighs 8 kilograms per cubic decimeter, how many kilograms does this section of square steel weigh?
一段方钢，横截面是边长4分米的正方形，长25分米，如果每立方分米钢重8千克，这段方钢重多少千克？
<gadget id="calculator">4 * 4 * 25 * 8</gadget>
<output>3_200</output>

<result>3_200</result>