My friends Yang Ming and Gao Wei are going on a field trip next week. They want to buy something for the trip. Yang Ming needs a new pair of shoes. Gao Wei wants a new T-shirt and a pair of shorts. They go to a sports shop. There are T-shirts, shorts, trousers and spots shoes in the shop. Yang Ming takes a pair of brown shoes. They are 75 yuan. Gao Wei takes a pair of blue shorts and a yellow T-shirt. The T-shirt is 45 yuan and the shorts are 55 yuan.