cube with a surface area of 120 cm**2 is averagely cut into 8 small cubes of the same size. What is the surface area of each small cube in cm**2?
一个表面积为120cm**2的正方体被平均切开成8个同样大小的小正方体，每个小正方体的表面积是多少cm**2．
<gadget id="calculator">120 / 6 / 4</gadget>
<output>5</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>