An iron ball is immersed in water in a cuboid container with a length of 30 cm, a width of 20 cm and a height of 20 cm. The water depth of the container increases from 8 cm to 10 cm. What is the volume of this iron ball?
把一个铁球浸没在长30cm，宽和高都是20cm的长方体容器的水中，容器的水深由8cm上升到10cm．这个铁球的体积是多少？
<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">30 * 20 * 2</gadget>
<output>1_200</output>

<result>1_200</result>