Xiaobin uses a piece of cardboard with a length of 60 cm and a width of 40 cm to cut off a small square with a side length of 5 cm at the four corners, and then makes a small box without a lid. What is the volume of this small box in cubic centimeters?
小彬用一块长60厘米，宽40厘米的纸板在四个角上都剪去边长为5厘米的小正方形，然后做成一个无盖的小盒，这个小盒的容积是多少立方厘米？
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">60 - 10</gadget>
<output>50</output>

<gadget id="calculator">40 - 10</gadget>
<output>30</output>

<gadget id="calculator">50 * 30 * 5</gadget>
<output>7_500</output>

<result>7_500</result>