Answer: The tongue represents the number 65, because the number of strokes of the tongue and head in this question is 6 and 5 respectively, and the capitalization of 6 and 5 is 6 and 5 respectively. There are idioms of tongue, head, 6 and 5, and there is a golden tongue. Work hard, 36 schemes are the best, but in the whole world, you can't see your fingers, 2 1 plus 5, three times five divided by two and so on. In a word, the tongue represents the number 65.