After the side length of a regular body is enlarged by 3 times, the volume is 135 cubic centimeters. What is the volume of the original cube?
一个正体的棱长扩大3倍后，体积是135立方厘米，原来正方体的体积是多少立方厘米．
<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<gadget id="calculator">135 / 27</gadget>
<output>5</output>

<result>5</result>