cuboid box, the sum of the sides is 480cm, the length is 60cm, and the width is 40cm. How big is this box?
一个长方体箱子，棱长总和为480cm，其中长为60cm，宽40cm．这个箱子的体积有多大？
<gadget id="calculator">480 / 4</gadget>
<output>120</output>

<gadget id="calculator">120 - 60 - 40</gadget>
<output>20</output>

<gadget id="calculator">60 * 40 * 20</gadget>
<output>48_000</output>

<result>48_000</result>