52. Xiao Pang's mother went to buy apples, wanting to buy 5 kilograms. When paying, she found she was short of 3 yuan and 5 jiao. As a result, she bought 4 kilograms and had 1 yuan and 5 jiao left. Xiao Pang's mother brought a total of $\qquad$ yuan $\qquad$ jiao.
Answer: 21,5