The sum of the sides of a cuboid and a cube are equal. It is known that the length, width and height of a cuboid are 6 decimeters, 5 decimeters and 4 decimeters respectively. So 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．已知长方体的长宽高分别是6分米、5分米、4分米．那么正方体的体积是多少？
<gadget id="calculator">6 + 5 + 4</gadget>
<output>15</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3) * 15 * (1/3) * 15 * (1/3)</gadget>
<output>125</output>

<result>125</result>