Austrian Zebra puts 4 to the left of a two-digit number to get a three-digit number, and puts 4 to the right of the two-digit number to get another three-digit number. The sum of these two three-digit numbers is 1284. This two-digit number how many.
奥斑马把4放到一个两位数的左边得到一个三位数，把4放到这个两位数的右边又得到一个三位数，这两个三位数的和是1284，这个两位数是多少．
<result>80</result>