In a rectangular parallelepiped glass cylinder with a length of 16 cm, a width of 10 cm, and a height of 20 cm, a cube lead block with a side length of 8 cm is installed, and then some water is put into the jar so that it completely submerges the cube lead block. How many centimeters will the water in the jar drop when it is removed from the jar?
在一个长16厘米，宽10厘米，高20厘米长方体玻璃缸中装一个棱长为8厘米的正方体铅块，然后往缸中放一些水，使它完全淹没这个正方体铅块，当铅块从缸中取出时，缸中的水会下降多少厘米？
<gadget id="calculator">16 * 10</gadget>
<output>160</output>

<gadget id="calculator">8 / 160</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">8 * 8 * (1/20)</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>