A cuboid pool, measured from the inside, has a length of 3m, a width of 1.5m, and a water depth of 1.2m. After a stone is thrown in, the water level rises by 0.2dm. What is the volume of this stone in cubic decimeters?
一个长方体水池，从里面量，长3m，宽1.5m，水深1.2m，投入一个石块后，水面上升了0.2dm．这个石块的体积是多少立方分米？
<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>

<gadget id="calculator">30 * 15 * 0.2</gadget>
<output>90</output>

<result>90</result>