The height of a cuboid water tank is 0.8 meters, and the original water depth is 0.5 meters. After putting a stone with a volume of 60 cubic decimeters (the water submerges the stone), the water depth is 0.54 meters. How many cubic meters of water can this water tank store in total?
一个长方体水箱的高是0.8米，原来水深0.5米，放入一个体积60立方分米的石块后(水淹没石块)水深0.54米，这个水箱共能存水多少立方米？
<gadget id="calculator">0.54 - 0.5</gadget>
<output>0.04</output>

<gadget id="calculator">0.06 / 0.04</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 * 0.8</gadget>
<output>1.2</output>

<result>1.2</result>