The surface area of a cube is 20 square centimeters, if it is cut into 8 small cubes of the same size, what is the surface area of each small cube?
一个正方体的表面积是20平方厘米，将它切成8个一样大小的小正方体，每个小正方体的表面积是多少平方厘米．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 * (1/4)</gadget>
<output>5</output>

<result>5</result>