Your sock drawer has 18 folded pairs of socks, with 8 pairs of white, 6 pairs of

Question:

Your sock drawer has 18 folded pairs of socks, with 8 pairs of white, 6 pairs of black, and 4 pairs of blue. What is the probability, without looking in the drawer, that you will first select and remove a black pair, then select either a blue or a white pair? Is this an unusual event? Explain.
Find the probability of the sequence of events.