Pour 3.6 cubic decimeters of water into a cube fish tank with a side length of 5 decimeters. How many decimeters are there from the water surface to the edge of the fish tank?
把3.6立方分米的水倒入棱长5分米的正方体鱼缸内，水面距鱼缸边还有多少分米．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">3.6 / 25</gadget>
<output>0.144</output>

<gadget id="calculator">5 - 0.144</gadget>
<output>4.856</output>

<result>4.856</result>