To welcome May Day, the workers' uncles will install colorful lights around the workers' club (not around the ground). The length of the club is 70 meters, the width is 45 meters, and the height is 30 meters. What is the minimum length of the lantern line?
为迎接五一劳动节，工人叔叔要在工人俱乐部的四周装上彩灯(地面的四周不装)．俱乐部的长70米，宽45米，高30米，至少需要多长的彩灯线？
<gadget id="calculator">70 + 45</gadget>
<output>115</output>

<gadget id="calculator">115 * 2</gadget>
<output>230</output>

<gadget id="calculator">30 * 4</gadget>
<output>120</output>

<gadget id="calculator">230 + 120</gadget>
<output>350</output>

<result>350</result>