It is planned to use iron wires to form a cuboid with a length of 8 cm, a width of 6 cm, and a height of 5 cm. If the joints are ignored, how much iron wire is needed in total?
打算用铁丝围成一个长是8厘米，宽是6厘米，高是5厘米的长方体，如果接头处忽略不计，共需多少铁丝？
<gadget id="calculator">8 + 6 + 5</gadget>
<output>19</output>

<gadget id="calculator">19 * 4</gadget>
<output>76</output>

<result>76</result>