Two trains start running from the two stations on the same track towards each other and the distance between them is 576 km. When the trains leave the station, a bird also starts moving to and fro between the trains at the speed of 88 Km/h. Initially, the bird starts from the foremost point of one train and continue until the trains collide with each other. If the trains collide after two and a half hour then what is the distance travelled by bird till collision?