A large cube is composed of several small cubes with a side length of 1 cm. The surface of the large cube is painted, and there are 6 small cubes painted on one side. What is the volume of this large cube in cubic centimeters?
一个大正方体由若干个棱长1厘米的小正方体组成，在大正方体表面涂色，其中一面涂色的小正方体有6个，这个大正方体的体积是多少立方厘米．
<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>