There is a cuboid tank with a length of 5 decimeters and a width of 8 decimeters. There is water in it, and an iron block is put in it. The water level rises by 16 cm. What is the volume of this iron block in cubic decimeters?
有一个长为5分米，宽8分米的长方体水槽，里面装有水，给里面放入一个铁块，水面上升了16厘米，这个铁块的体积是多少立方分米？
<gadget id="calculator">16 / 10</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">5 * 8 * (8/5)</gadget>
<output>64</output>

<result>64</result>