380×3= 1 140 (yuan)
A: Three coats 1 140 yuan.
Question 2: How much are three pairs of trousers?
249×3=747 (yuan)
A: Three pairs of trousers are 747 yuan.
Question 3: How much does it cost to buy a suit?
380+249=629 (yuan)
A: It costs 629 yuan to buy a suit.