A cuboid building is 100 meters long, 80 meters wide, and 50 meters high. To install colored light wires on each side of the building, how many meters of colored light wires should be purchased at least?
一个长方体建筑物长100米，宽80米，高50米．要在建筑物的每条边上装上彩灯线，至少要买多少米彩灯线？
<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<gadget id="calculator">50 * 4</gadget>
<output>200</output>

<gadget id="calculator">200 + 160 + 200</gadget>
<output>560</output>

<result>560</result>