Xiaoxiao bought a copy of "Picture Book" for 6.14 yuan and a copy of "Paper-cut" for 10.39 yuan. How much do you think the salesperson charges is more reasonable. how much
小小买了一本《图画书》6.14元，一本《剪纸》10.39元．你认为营业员收多少钱比较合理．多少元
<result>16.5</result>