Combinatorics word problems

Solve word problems from combinatorics.

The train has 3 wagons. Only one is blue and the rest are red. How many different colored sortings of wagons can be built?

Your answer:

________ different colored sortings of wagons.

The train has 3 wagons. Only one is blue and the rest are red. How many different colored sortings of wagons can be built?

Your answer:

3 different colored sortings of wagons.