A piece of square steel is 30dm long, 0.8dm wide, and 0.6dm high. If the steel weighs 7.8kg per cubic decimeter, how much does this piece of square steel weigh in kg?
一段方钢长30dm，宽0.8dm，高0.6dm，如果每立方分米的钢重7.8kg，这段方钢重多少kg？
<gadget id="calculator">30 * 0.8 * 0.6 * 7.8</gadget>
<output>112.32</output>

<result>112.32</result>