The sum of the sides of a cube is (9/10) meters, what is the volume of the cube?
一个正方体棱长总和是(9/10)米，这个正方体的体积是多少？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(9/10) / 12</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">(3/40) * (3/40) * (3/40)</gadget>
<output>27/64_000 = around 0.000422</output>

<result>27/64_000 = around 0.000422</result>