执行下列程序,输出的结果是？（    ）

class Money:
    name =""
    shoe =0
    satchel =0
    clothes =0
    def __init__(self,n,s1,s2,c):
        self.name = n
        self.shoe = s1
        self.satchel = s2
        self.clothes =c
    def rmb_1(self):
        print("{}今天去购物，总共花了{}元。". format(self.name,self.shoe+self.satchel+ self.clothes))
r= Money('李斌',120,50,280)
r.rmb_1()