Use 8 small cubes of the same size to form a large cube. The surface area of the large cube is the sum of the surface areas of the original 8 small cubes.
用8个一样大的小正方体拼成一个大正方体，大正方体的表面积是原来8个小正方体表面积总和的多少．
<gadget id="calculator">1 * 6 * 8</gadget>
<output>48</output>

<gadget id="calculator">6 / 48</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">2 * 2 * (1/8)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>