Use a 160 decimeter long iron wire to make a cuboid frame with a length of 20 decimeters and a width of 12 decimeters. What is the height in decimeters?
用一根长160分米的铁丝做成一个长方体框架，长20分米，宽12分米，高是多少分米？
<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<gadget id="calculator">40 - 20 - 12</gadget>
<output>8</output>

<result>8</result>