<human>:  Mara has 40 crayons and 10 percent of her crayons are pink. Luna has 50 crayons and 20 percent of them are pink. In total how many pink crayons do Mara and Luna have?
<bot>: How many pink crayons does Mara have? ** Mara has 40 x (10 / 100) = <<40*(10/100)=4>>4 pink crayons.
How many pink crayons does Luna have? ** Luna has 50 x (20 / 100) = <<50*(20/100)=10>>10 pink crayons.
How many pink crayons do Mara and Luna have? ** Together they have 4 + 10 = <<4+10=14>>14 pink crayons
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