Answer Happy

A survey of 1,172 tourists visiting Orlando was taken. Of
those surveyed: 265 tourists had visited the Magic Kingdom 298
tourists had visited LEGOLAND 94 tourists had visited both the
Magic Kingdom and LEGOLAND 52 tourists had visited both the Magic
Kingdom and Universal Studios 55 tourists had visited both LEGOLAND
and Universal Studios 19 tourists had visited all three theme parks
99 tourists did not visit any of these theme parks How many
tourists only visited the Universal Studios (of these
three)?