If the perimeter of the bottom of a cube box is (4/5) meters, what is the volume of the box in cubic meters?
一个正方体纸盒的底面周长是(4/5)米，这个纸盒的体积是多少立方米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / 4</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * (1/5) * (1/5)</gadget>
<output>1/125 = around 0.008</output>

<result>1/125 = around 0.008</result>