In a glass tank with a length of 10 cm and a width of 10 cm, put a cube copper block with a side length of 5 cm. At this time, the water depth is 10 cm. If the copper block is taken out of the tank, how many centimeters is the water surface in the tank?
在一个长10厘米，宽10厘米的玻璃缸里，放入一块棱长5厘米的正方体铜块，这时水深10厘米，若把这个铜块从缸中取出，缸中的水面高多少厘米？
<gadget id="calculator">1_000 - 75</gadget>
<output>925</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">925 / 100</gadget>
<output>37/4 = around 9.25</output>

<result>37/4 = around 9.25</result>