A cuboid glass container, measured from the inside, is 3 decimeters in length and width, pour 5.5 liters of water into the container, and then put an apple into the water. At this time, the depth of the water in the container is measured to be 15 cm. What is the volume of this apple?
一个长方体的玻璃容器，从里面量长、宽均为3分米，向容器中倒入5.5升水，再把一个苹果放入水中．这时量得容器内的水深是15厘米．这个苹果的体积是多少？
<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3 * 3 * (3/2)</gadget>
<output>27/2 = around 13.5</output>

<gadget id="calculator">(27/2) - 5.5</gadget>
<output>8</output>

<result>8</result>