Please help with the math problem below.

From a window 34.0 ft above the street, the angle of elevation to the top of the building across the street is 47.0 and the angle of depression to the base of this building is 17.0. Find the height of the building across the street. 47 00 17.0 . . . . . The height of the building across the street is| ft. (Round to the nearest whole number as needed.)