A cuboid glass cylinder measuring 8 decimeters long and 5 decimeters wide is filled with water to a depth of 20 centimeters. Now put an iron block into the glass tank, and the water level rises to 22 cm. What is the volume of this iron block in cubic centimeters?
一个从里面量长8分米，宽5分米的长方体玻璃缸，里面装有水，水深20厘米．现在往玻璃缸里放入一个铁块，水面上升到22厘米．这个铁块的体积是多少立方厘米？
<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">22 - 20</gadget>
<output>2</output>

<gadget id="calculator">80 * 50 * 2</gadget>
<output>8_000</output>

<result>8_000</result>