cuboid glass container measures 3 decimeters in length and 2 decimeters in width from the inside. Pour 7.5 liters of water into the container, and then put an apple into the water. At this time, the height of the water surface in the container is measured to be 1.35 decimeters ． What is the volume of this apple?
一个长方体玻璃容器，从里面量长为3分米，宽为2分米，向容器中倒入7.5升水，再把一个苹果放入水中，这时测得容器内的水面的高度是1.35分米．这个苹果的体积是多少？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">7.5 / 6</gadget>
<output>1.25</output>

<gadget id="calculator">1.35 - 1.25</gadget>
<output>0.1</output>

<gadget id="calculator">0.1 * 6</gadget>
<output>0.6</output>

<result>0.6</result>