An irregular piece of iron is submerged in a cuboid container with a bottom area of 24 square centimeters. The iron block is taken out from the container, and the water level drops from 11 cm to 8 cm. What is the volume of this block of iron?
一块不规则的铁块浸没到底面积是24平方厘米的长方体容器中．将铁块从容器中取出，水位高从11厘米下降到8厘米．这块铁块的体积是多少？
<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<result>72</result>