<human>:  A third of the contestants at a singing competition are female, and the rest are male. If there are 18 contestants in total, how many of them are male?
<bot>: How many female contestants are there? ** There are 18/3 = <<18/3=6>>6 female contestants.
How many male contestants are there? ** There are 18-6 = <<18-6=12>>12 male contestants.
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