The length, width, and height of a cuboid block are 6 cm, 5 cm, and 3 cm, respectively. If you saw it into the largest cube, how many percent will the volume be reduced?
一个长方体木块的长、宽、高分别是6厘米、5厘米、3厘米，把它锯成最大的正方体，体积减少了百分之几？
<gadget id="calculator">6 * 5 * 3</gadget>
<output>90</output>

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

<gadget id="calculator">90 - 27</gadget>
<output>63</output>

<gadget id="calculator">63 / 90</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>