If a cube with side length 40 cm is divided into two identical cuboids, what is the surface area of each cuboid?
把一个棱长是40厘米的正方体分成两个相同的长方体，每个长方体的表面积是多少？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">40 * 40 * 3</gadget>
<output>4_800</output>

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>

<gadget id="calculator">4_800 + 1_600</gadget>
<output>6_400</output>

<result>6_400</result>