If the sum of the lengths of the sides of a cube is 6 decimeters, what is the volume of the cube in cubic decimeters?
一个正方体的棱长总和是6分米，这个正方体的体积是多少立方分米．
<gadget id="calculator">6 / 12</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>