Three equal cubes are put together to form a cuboid with a surface area of 350 square meters. What is the surface area of a cube in square meters.
把三个完全相等的正方体拼成一个长方体，这个长方体的表面积是350平方米．一个正方体的表面积是多少平方米．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 - 4</gadget>
<output>14</output>

<gadget id="calculator">350 / 14</gadget>
<output>25</output>

<gadget id="calculator">25 * 6</gadget>
<output>150</output>

<result>150</result>