Determine the height of an object using trigonometric angles of elevation and depression.
Implement height_of_object(observer_height, elevation_angle, depression_angle) using degrees and return the height rounded to 6 decimal places. The observer views the object's base at the angle of depression and its top at the angle of elevation; assume the object and observer are vertically aligned over level ground.
def height_of_object(observer_height, elevation_angle, depression_angle):