单选题John buys a cake at a bakery and a hammer at a hard-ware store. If there are five hardware stores and three bakeries, in how many different combinations of stores can he purchase the cake and the hammer?A
20B
15C
8D
5E
3
题目内容(请给出正确答案)
单选题
John buys a cake at a bakery and a hammer at a hard-ware store. If there are five hardware stores and three bakeries, in how many different combinations of stores can he purchase the cake and the hammer?