A cuboid is exactly divided into 3 cubes of equal volume. Given that the surface area of a cube is 3 square centimeters, what is the surface area of the original cuboid?
一个长方体正好分割成3个体积相等的正方体．已知一个正方体的表面积是3平方厘米，原长方体的表面积是多少平方厘米．
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 4</gadget>
<output>2</output>

<gadget id="calculator">9 - 2</gadget>
<output>7</output>

<result>7</result>