For a two-digit number, the sum of the ones digit and the tens digit is 8. After swapping the ones digit and the tens digit, the new number obtained is 54 greater than the original number. Find the original two-digit number. Solve the equation.
一个两位数，个位数字与十位数字之和为8，将个位数字与十位数字对调后，所得的新数比原来的数大54．求原来的两位数．用方程解．
<result>17</result>