The surface area of a cube carton is 5.4 square decimeters, if it is divided into 8 small cubes of the same size, how many square decimeters will the surface area increase?
一个正方体纸盒的表面积是5.4平方分米，把它分成8个一样大的小正方体，表面积增加了多少平方分米．
<gadget id="calculator">5.4 / 6</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 / 4</gadget>
<output>0.225</output>

<gadget id="calculator">0.225 * 6 * 8</gadget>
<output>10.8</output>

<gadget id="calculator">10.8 - 5.4</gadget>
<output>5.4</output>

<result>5.4</result>