If two cubes with side lengths of 3 cm are put together to form a cuboid, what is the volume of the cuboid?
把两个棱长是3cm的正方体，拼成一个长方体，这个长方体的体积是多少．
<gadget id="calculator">3 * 3 * 3 * 2</gadget>
<output>54</output>

<result>54</result>