In a rectangular glass container with a length of 40 cm, a width of 20 cm, and a height of 20 cm, fill it with water 10 cm deep. If a cube stone with an edge length of 8 cm is put into the tank, the water in the tank will rise. How many centimeters is it high?
在一个长40厘米、宽20厘米、高20厘米的长方形玻璃容器中，装入10厘米深的水，如果把一块棱长是8厘米的正方体石块放入缸中，缸中的水会升高几厘米？
<gadget id="calculator">40 * 20</gadget>
<output>800</output>

<gadget id="calculator">8 / 800</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">8 * 8 * (1/100)</gadget>
<output>16/25 = around 0.64</output>

<result>16/25 = around 0.64</result>