The shape of a wooden box is a cube, and the edge length is 0.8m. How many square meters of wooden boards are needed to make this wooden box? (There is no cover on the top of the wooden box)
一个木箱的形状是正方体，棱长为0.8m，制作这个木箱至少需要木板多少平方米？(木箱的上面没有盖)
<gadget id="calculator">0.8 * 0.8 * 5</gadget>
<output>3.2</output>

<result>3.2</result>