Uncle Li made a cuboid fish tank with a length of 6 decimeters, a width of 5 decimeters, and a height of 4 decimeters. After putting a fish in, the water level rose by 0.1 decimeters. What is the volume of this fish in cubic decimeters?
李叔叔做了一个长方体鱼缸，长6分米，宽5分米，高4分米，放入一条鱼后，水面升高了0.1分米．这条鱼的体积是多少立方分米．
<gadget id="calculator">6 * 5 * 0.1</gadget>
<output>3</output>

<result>3</result>