A cuboid with a surface area of 30 square centimeters can be divided into 7 identical cubes. What is the volume of this cuboid in cubic centimeters?
一个长方体表面积是30平方厘米，正好可以分成7个相同的正方体，这个长方体的体积是多少立方厘米．
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">42 - 12</gadget>
<output>30</output>

<gadget id="calculator">30 / 30</gadget>
<output>1</output>

<gadget id="calculator">1 * 1 * 1 * 7</gadget>
<output>7</output>

<result>7</result>