The sum of the side lengths of a cuboid and a cube are equal. It is known that the length of the cuboid is 6cm, the width is 5cm, and the height is 4cm. What is the volume of the cube?
一个长方体和一个正方体的棱长总和相等，已知长方体的长是6cm，宽是5cm，高是4cm，正方体的体积是多少？
<gadget id="calculator">6 + 5 + 4</gadget>
<output>15</output>

<gadget id="calculator">15 / 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<result>125</result>