A piece of iron wire can be made into a cube frame with side length 4cm. If it is used to make a cuboid frame with a length of 6cm and 4cm, how many centimeters should the height of the cuboid frame be?
一根铁丝能做成一个棱长为4cm的正方体框架．如果用它做成一个长6cm、4cm的长方体框架，这个长方体框架的高应该是多少厘米？
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 - 6 - 4</gadget>
<output>2</output>

<result>2</result>