A passenger of an airplane observes that Howrah station is at one side of the plane and Saheed Minar is just on the opposite side. The angles of depression of Howrah station and Saheed Minar from the passenger of airplane are 60° and 30° respectively. If the airplane is at a height of 545√3 meters at that time, let us find the distance between Howrah station and Saheed Minar.