14-8 = 6 (days)
Lao Liu and Xiao Li worked together for 8 days before finishing the work.
12 points 1× 8 = 2/3.
It only took Xiao Li six days to finish the work.
0-2 of 65438+3 = 3 1
Xiao Li finished the work alone.
6/3 1 = 18 (days)
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