Wang Jun graduated from the sixth grade of primary school this year. The number in the highest digit of his age is neither a prime number nor a composite number, and the number in the lowest digit is the smallest prime number. How old is Wang Jun this year? His father is just 36 years old this year. Wang Jun’s Age is his father's age ((())/(())).
今年王军小学六年级毕业，他的年龄最高位上的数字既不是质数也不是合数，最低位上的数字是最小的质数，今年王军多少岁，今年他爸爸刚好36岁，王军的年龄是他爸爸年龄的((())/(()))．
<result>12</result>