Put two cubes of the same size into a cuboid. It is known that the surface area of this cuboid is 60dm**2. What is the surface area of the original cube in dm**2?
把两个同样大小的正方体拼成一个长方体，已知这个长方体的表面积是60dm**2，原来一个正方体的表面积是多少dm**2．
<gadget id="calculator">60 / 10</gadget>
<output>6</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>