Destiny has a shoebox filled with socks. In the box, she has 8 pair of white socks, 12 pair of blue socks, 30 pair of green socks, and 10 pair of black socks.
What is the probability that she randomly selects a pair of green socks, does not replace it, selects a pair of black socks, does not replace it and then picks another pair of black socks? Write your answer as a decimal and round to the nearest thousandth.