If the edge length of a cube is 0.5 decimeters, what is its surface area in square decimeters?
一个正方体的棱长是0.5分米，它的表面积是多少平方分米．
<gadget id="calculator">0.5 * 0.5 * 6</gadget>
<output>1.5</output>

<result>1.5</result>