Aunt Wang wants to make a cloth cover for her cabinet air conditioner. It is known that the air conditioner is 6 decimeters long, 7 decimeters wide, and 1.5 meters high. How many square meters does Aunt Wang need to buy? (A total of 0.2 square meters at the joint)
王大妈要给自家的柜式空调做一个布罩子，已知空调长6分米，宽7分米，高1.5米．王大妈需买布多少平方米？(接头处共计0.2平方米)
<result>5.52</result>