There are five kinds of cakes in different packages on the counter of the cake shop. Each bag contains 1 piece, 2 pieces, 3 pieces, 4 pieces, and 5 pieces respectively. There are enough cakes in each package. Xiaohua wants to buy 5 cakes, how many different ways does she have to buy them?
蛋糕店的柜台里放着五种不同包装的蛋糕，每袋分别装1块、2块、3块、4块、5块，每种包装的蛋糕有足够多．小华要买5块蛋糕，她有多少种不同的买法．
<result>7</result>