The length, width, and height of a cuboid block are 5 cm, 4 cm, and 3 cm, respectively. If it is used to saw the largest cube, how many percent will the volume be reduced from the original?
一个长方体木块的长、宽、高分别是5厘米、4厘米、3厘米．如果用它锯成一个最大的正方体，体积要比原来减少百分之几？
<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>