There is a cube water tank, the length of the edge measured from the inside is 5 decimeters, if the full tank of water is poured into a cuboid pool measuring 8 decimeters long and 25 cm wide from the inside, what is the depth of the water in decimeters?
有一个正方体水箱，从里面量棱长是5分米，如果把水箱的满箱水倒入一个从里面量长8分米、宽25厘米的长方体水池里，水深多少分米？
<gadget id="calculator">25 / 10</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">8 * (5/2)</gadget>
<output>20</output>

<gadget id="calculator">5 / 20</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 * 5 * (1/4)</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>