Measured in a cuboid pool, the length is 3 meters, the width is 1.5 meters, and the water depth is 5 meters. After a stone is thrown in (all the stones are submerged in the water), the water level rises by 0.2 meters. What is the volume of the stone in cubic meters?
在一个长方体水池内测量，长3米，宽1.5米，水深5米，投入一个石块后(石块全部没入水中)，水面上升0.2米，这个石块的体积是多少立方米？
<gadget id="calculator">3 * 1.5 * 0.2</gadget>
<output>0.9</output>

<result>0.9</result>