If three cubes with side lengths of 1 decimeter are put together to form a cuboid, what is its surface area in square decimeters
将三个棱长为1分米的正方体，拼成一个长方体，它的表面积为多少平方分米
<gadget id="calculator">3 * 1</gadget>
<output>3</output>

<gadget id="calculator">1 * 1</gadget>
<output>1</output>

<gadget id="calculator">3 + 3 + 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<result>14</result>