48 cm long iron wire can be welded into a cuboid teaching aid with a length of 5 cm, a width of 4 cm, and a height of cm.
用一根48厘米长的铁丝，恰好可以焊成一个长5厘米，宽4厘米，高多少厘米厘米的长方体教具．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">12 - 9</gadget>
<output>3</output>

<result>3</result>