How do I write two different word problems about 12 birds to show 2*6 and 6*2

There are two groups of birds with 6 birds in each group. How many birds in total are there?

There are 6 groups of birds with 2 birds in each group. How many birds in total are there?

6 sets of birds were in a brown crate and 2 sets of birds were in a green crate? How many birds altogether were in those crates.