Cut a rectangular cardboard with a length of 24 cm and a width of 18 cm from each of the four corners and cut a square with a side length of 3 cm to make a carton. What is the volume of this carton in cubic centimeters?
把长24厘米，宽18厘米的长方形硬纸板，从四个角各剪去一个一个边长3厘米的正方形后做成纸盒．这个纸盒的容积是多少立方厘米？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">24 - 6</gadget>
<output>18</output>

<gadget id="calculator">18 - 6</gadget>
<output>12</output>

<gadget id="calculator">18 * 12 * 3</gadget>
<output>648</output>

<result>648</result>