The biological team bought a cuboid fish tank, measured from the inside to be 5 decimeters long, 4 decimeters wide, and 2.5 decimeters deep. How many liters does it have?
生物小组买来一个长方体鱼缸，从里面量长5分米，宽4分米，深2.5分米，它的容积是多少升？
<gadget id="calculator">4 * 5 * 2.5</gadget>
<output>50</output>

<result>50</result>