Use iron wire to make a cuboid frame with a length of 10 cm, a width of 5 cm, and a height of 3 cm. What is the minimum length of wire required?
用铁丝做一个长10厘米、宽5厘米、高3厘米的长方体框架，至少需要多长的铁丝？
<gadget id="calculator">10 + 5 + 3</gadget>
<output>18</output>

<gadget id="calculator">18 * 4</gadget>
<output>72</output>

<result>72</result>