A cuboid building was decorated with colorful lights around it (the four sides of the ground were not installed). It is known that the length of the building is 50 meters, the width is 15 meters, and the height is 5 meters. How long is the lantern wire for this arrangement?
一长方体建筑物年前给四周装上彩灯(地面四边不装)，已知房屋长50米，宽15米，高5米．这样布置需要多长的彩灯线？
<gadget id="calculator">50 + 15</gadget>
<output>65</output>

<gadget id="calculator">65 * 2</gadget>
<output>130</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<gadget id="calculator">130 + 20</gadget>
<output>150</output>

<result>150</result>