There is a cuboid, the areas of three adjacent faces intersecting at the same vertex are 16m**2, 10m**2, 15m**2 respectively, what is the surface area of this cuboid in m**2?
有一个长方体，相交于同一个顶点的相邻三个面的面积分别是16m**2、10m**2、15m**2，这个长方体的表面积是多少m**2．
<gadget id="calculator">16 + 10 + 15</gadget>
<output>41</output>

<gadget id="calculator">41 * 2</gadget>
<output>82</output>

<result>82</result>