Two cubes of equal size are used to assemble a cuboid. The sum of the sides of this cuboid is 80 cm. What is the volume of each cube in cubic centimeters?
用大小相等的两个正方体积木拼成一个长方体，这个长方体的棱长总和是80厘米，每个正方体的体积是多少立方厘米？
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 - 8</gadget>
<output>16</output>

<gadget id="calculator">80 / 16</gadget>
<output>5</output>

<gadget id="calculator">5 ** 3</gadget>
<output>125</output>

<result>125</result>