The length of a cuboid is 8 decimeters, the width is 3 decimeters, and the height is 5 decimeters. What is the sum of the lengths of all the edges?
一个长方体的长8分米，宽3分米，高5分米，所有棱的长度和是多少．
<gadget id="calculator">8 + 3 + 5</gadget>
<output>16</output>

<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<result>64</result>