Complex sentence: In World Championships competition, Gabor's individual medals were a bronze in 1961 and silver in 1962; and 3 Team medals, silver in 1957 and 1958, gold in 1959.
Split into simpler sentences: In World Championships competition, Gabor's individual medals were a bronze in 1961 and silver in 1962. In Team competitions he won 3 medals: silver in 1957 and 1958, and gold in 1959.