Cut a cuboid painted red into small cubes with an edge length of 1 cm. The number of small red cubes with four sides is exactly twice the number of small red cubes with three sides. What is the volume of the original cuboid in cubic centimeters?
把一个表面涂红色的长方体切割成棱长为1厘米的小正方体，四面红色的小正方体个数正好是三面红色的小正方体个数的2倍．原长方体的体积是多少立方厘米．
<gadget id="calculator">4 + 2</gadget>
<output>6</output>

<result>6</result>