A rectangular iron sheet is 30 cm long and 25 cm wide. Now cut off a square with a side length of 5 cm from its four corners, and then make a box. How many milliliters is the volume of this box?
一块长方形铁皮长30厘米，宽25厘米，现从其四个角切去边长为5厘米的正方形，然后做成盒子．这个盒子的容积有多少毫升？
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">30 - 10</gadget>
<output>20</output>

<gadget id="calculator">25 - 10</gadget>
<output>15</output>

<gadget id="calculator">20 * 15 * 5</gadget>
<output>1_500</output>

<result>1_500</result>