A rectangle with a length of 25 cm and a width of 18 cm is surrounded by an iron wire. What is the minimum length of this iron wire?
用一根铁丝围成了一个长25厘米，宽18厘米的长方形，这根铁丝至少长多少？
<gadget id="calculator">25 + 18</gadget>
<output>43</output>

<gadget id="calculator">43 * 2</gadget>
<output>86</output>

<result>86</result>