A store stipulates that 3 empty soda bottles can be exchanged for 1 bottle of soda. Xiaofang has 10 empty soda bottles. Ask: How many bottles of soda can she exchange in total?
某商店规定3个空汽水瓶可以换一瓶汽水，小芳有10个空汽水瓶，问：她一共可以换到多少瓶汽水？
<result>3</result>