In 2016, approximately
4.7 million Advanced Placement (AP) exams were
taken in the United States. A total of 40 thousand
exams was taken in Chinese, French, and German
Language and Culture. The number of Chinese exams
taken was 8 thousand more than the number of
German exams taken. The number of French exams
taken was 4 thousand more than the sum of the number
of Chinese and German exams. Find the number of
exams taken in each language.