piece of steel with a side length of 6 decimeters is melted and cast into a rectangular steel with a cross section of 18 square decimeters. How many decimeters is the length of the rectangular parallelepiped steel?
一块棱长是6分米的正方体的钢材，熔铸成横截面是18平方分米的长方体钢材，熔铸成的长方体钢材长是多少分米？
<gadget id="calculator">216 / 18</gadget>
<output>12</output>

<result>12</result>