A rectangular iron sheet is 38 cm long and 18 cm wide. Cut off a square with a side length of 4 cm at its four corners, and then fold it up and weld it into a cuboid tin box without a cover. What is the volume of the cuboid tin box?
一块长方形的铁皮，长38厘米，宽18厘米．在它四个角分别剪去边长为4厘米的正方形，然后折起来焊成一个无盖的长方体的铁皮盒．这长方体的铁皮盒的容积是多少？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">38 - 8</gadget>
<output>30</output>

<gadget id="calculator">18 - 8</gadget>
<output>10</output>

<gadget id="calculator">30 * 10 * 4</gadget>
<output>1_200</output>

<result>1_200</result>