If 27 small cubes of the same size are used to form a large cube, then the surface area of each small cube is ((())/(())) of the surface area of the large cube.
用27个同样大小的小正方体拼成一个大正方体，那么每个小正方体的表面积是大正方体表面积的((())/(()))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>