In a two-digit number, the digit at the unit's place exceeds the digit at the ten's place by 2. The product of the number and the sum of its digits is 280. Find the number.

The sum and difference of 2 two-digit ages are 124 and 38 respectively. What is the product of the numbers obtained by reversing the order of the digits of both ages?

The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number obtained is 27 greater than the original number. What is the original number?