A 60 cm long iron wire can form a cuboid frame with a length of 6 cm, a width of 2 cm, and a height of how many cm?
一根长60厘米的铁丝，可以围成一个长6厘米、宽2厘米、高多少厘米的长方体框架？
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<gadget id="calculator">15 - 8</gadget>
<output>7</output>

<result>7</result>