What is the surface area of a cuboid with a length of 4 decimeters, a width of 3 decimeters, and a height of 2 decimeters?
一个长4分米，宽3分米，高2分米的长方体，它的表面积是多少平方分米．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">12 + 8 + 6</gadget>
<output>26</output>

<gadget id="calculator">26 * 2</gadget>
<output>52</output>

<result>52</result>