Which problem could be solved with the expression 4*(4+2)

a - danny ran 4 miles in the morning and 2 miles in the afternoon. he did this for 4 days. how many miles did he run?
b - bobby sold 4 baseball cards on monday. he then sold 2 more on tuesday. he sold the same amount for 2 weeks. how many did he sell?
c - suzanne makes wooden dolls. she made 2 in the morning and 2 in the afternoon. she did this for 4 days. how many dolls did she make?

a danny's problem
b bobby's problem
c suzanne's problem