A cuboid fish tank measures 5 decimeters in length, 3 decimeters in width, 4 decimeters in height and 25 centimeters in water depth. What percentage of the volume of the fish tank is the volume of water?
一个长方体鱼缸，从里面量长5分米，宽3分米，高4分米，水深25厘米，水的容积占鱼缸容积的几分之几？
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">25 / 40</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>