What is the surface area of each cuboid after sawing a cube with an edge length of 20 decimeters into two equal cuboids?
把一个棱长是20分米的正方体锯成两个相等的小长方体后，每个长方体的表面积是多少．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">20 * 20 * 3</gadget>
<output>1_200</output>

<gadget id="calculator">20 * 20</gadget>
<output>400</output>

<gadget id="calculator">1_200 + 400</gadget>
<output>1_600</output>

<result>1_600</result>