A team of pre-college students from Macao, led by Dr Leong Ieng Tak and Mr Wan Lung Yam from the University of Macau (UM), Faculty of Science and Technology, Department of Mathematics, won a gold medal and a silver medal at the 57th International Mathematical Olympiad (IMO) held in Hong Kong. This is the first time in 25 years that a team from Macao has won a gold medal at this competition.