mattress is 2 meters long, 1.8 meters wide, and 24 cm thick. What is the volume of this mattress in cubic meters?
一种床垫长2米，宽1.8米，厚24厘米，这种床垫的体积是多少立方米？
<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">2 * 1.8 * (6/25)</gadget>
<output>0.864</output>

<result>0.864</result>