爱美的hellokitty去商场买回来一

爱美的hello kitty去商场买回来一面镜子．她要沿镜子的四边做一个铝合金的边框，请你帮助算一算，大约需要.H1H*}5z3m9j5l+C7`.}4A米长的铝合金材料。7h3L+v1B/I(@-U0P

                                                                            7h3L+v1B/I(@-U0P