The length, width, and height of a cuboid block are 5 cm, 4 cm, and 3 cm respectively. If it is sawn into a cube as large as possible, what is the percentage reduction in volume compared to the original one?
一个长方体木块的长、宽、高分别是5厘米、4厘米、3厘米，如果用它锯成一个尽量大的正方体，那么体积比原来减少的百分数是多少
<gadget id="calculator">5 * 4 * 3</gadget>
<output>60</output>

<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<gadget id="calculator">60 - 27</gadget>
<output>33</output>

<gadget id="calculator">33 / 60</gadget>
<output>11/20 = around 0.55</output>

<result>11/20 = around 0.55</result>