A cuboid fish tank with a length of 4 decimeters, a width of 3 decimeters, and a height of 5 decimeters is filled with water to measure the depth of the water to be 3.5 decimeters. 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3.5分米，倒入的水是多少升．
<gadget id="calculator">4 * 3 * 3.5</gadget>
<output>42</output>

<result>42</result>