If a square wire frame with a side length of 6 decimeters is changed into a rectangular parallelepiped frame with a length of 10 decimeters and a width of 5 decimeters, how many decimeters is the height of the rectangular parallelepiped frame?
一个棱长6分米的正方体铁丝框架，若把它改成长10分米，宽5分米的长方体框架，这个长方体框架的高是多少分米？
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">18 - 15</gadget>
<output>3</output>

<result>3</result>