There is a cube water tank, the length of each side measured from the inside is 5dm, if a full tank of water is poured into a cuboid pool with a length of 0.8m and a width of 25cm, how many decimeters will the water depth be?
有一个正方体水箱，从里面量每边长5dm，如果一满箱水倒入一个长0.8m、宽25cm的长方体水池内，水深多少分米？
<gadget id="calculator">25 / 10</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">0.8 * 10 * (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>