One is 4 decimeters long. A cuboid fish tank with a width of 3 decimeters and a height of 5 decimeters is filled with water to measure the depth of the water to be 30 centimeters. How many liters of water is poured into it?
一个长4分米．宽3分米，高5分米的长方体鱼缸，倒入水后量得水深30厘米，倒入的水是多少升．
<gadget id="calculator">30 / 10</gadget>
<output>3</output>

<gadget id="calculator">4 * 3 * 3</gadget>
<output>36</output>

<result>36</result>