cuboid glass container, measured from the inside, has a length of 3 decimeters and a width of 2 decimeters. Pour 6 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 13 cm. What is the volume of this apple in cubic centimeters?
一个长方体的玻璃容器，从里面量，长3分米，宽2分米，向该容器中倒入6升水，再把一个苹果放入水中，这时候容器中的水深13厘米．这个苹果的体积是多少立方厘米？
<gadget id="calculator">3 * 10 * 2 * 10 * 13</gadget>
<output>7_800</output>

<gadget id="calculator">6 * 1_000</gadget>
<output>6_000</output>

<gadget id="calculator">7_800 - 6_000</gadget>
<output>1_800</output>

<result>1_800</result>