Use 60 cm wire to make a rectangular parallelepiped frame with a length of 8 cm and a width of 5 cm. What is the height of the rectangular parallelepiped?
用60厘米的铁丝做一个长8厘米，宽5厘米长方体框架，这个长方体的高是多少？
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">15 - 8 - 5</gadget>
<output>2</output>

<result>2</result>