有如下程序段:
class xcal:
def init(self,numx,numy):
self.numx=numx
self.numy=numy
def xadd(self,another):
numx=self.numx*another.numx
numy=self.numy*another.numy
return xcal(numx,numy)
def print(self):
print(str(self.numx)+“/”+str(self.numy))
x=xcal(2,3)
y=x.xadd(xcal(4,5))
y.print()
程序运行后,输出的结果是?( )