Elma took $$2$$ candy bars to school. First, she traded each of them for $$4$$ apples, and then she traded each of the apples for $$3$$ mandarin oranges. How many mandarin oranges did she have after all the trading? (2008 Math Kangaroo Problem, Level 1-2, Question \#9) 
选项为:A:$$2+4+3$$  B:$$2\times4+3$$  C:$$2+4\times3$$  D:$$2\times4\times3$$  请回答其中一个选项.