A square iron box is filled with water. The edge length of the iron box is 4dm. Now pour half of the water in the iron box into a glass tank with a length of 8dm, a width of 2.5dm and a depth of 5dm. How far is the water surface from the bottom of the tank? rice?
一个正方形铁盒里装满水，铁盒的棱长是4dm，现把铁盒里一半的水倒入一个长8dm，宽2.5dm，深5dm的玻璃缸里，这时水面离缸底多少分米？
<gadget id="calculator">4 ** 3</gadget>
<output>64</output>

<gadget id="calculator">64 / 2</gadget>
<output>32</output>

<gadget id="calculator">8 * 2.5</gadget>
<output>20</output>

<gadget id="calculator">32 / 20</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>