设int a=4,float x=7.5,y=4.8,则表达式a+(int)(int(x)+y)>>(int)(x-y)的值为_

设int a=4,float x=7.5,y=4.8,则表达式a+(int)(int(x)+y)>>(int)(x-y)的值为____。
【正确答案】:3;