A certain amount of water is contained in a cuboid container with a length of 18 cm, a width of 7 cm, and a height of 6 cm. If an iron ball is placed (completely submerged) and the water level rises by 0.5 cm, what is the volume of the iron block in cubic centimeters?
一只长18厘米，宽7厘米，高6厘米的长方体容器中，装有一定量的水，如果放一个铁球(完全浸没)水面上升0.5厘米，这个铁块的体积是多少立方厘米？
<gadget id="calculator">18 * 7 * 0.5</gadget>
<output>63</output>

<result>63</result>