A cuboid has a surface area of 162 decimeters and has two opposite faces that are squares with sides of 3 decimeters. Find the volume of the cuboid.
一个长方体的表面积是162平方分米，有两个相对的面是边长3分米的正方形．求长方体的体积．
<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

<gadget id="calculator">162 - 18</gadget>
<output>144</output>

<gadget id="calculator">144 / 4</gadget>
<output>36</output>

<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<result>108</result>