Ateneo de Manila Professor Queena N. Lee-Chua, in her column Eureka! in the Philippine Daily Inquirer (page B4) gave this Math Puzzle today (March 4, 2006):1. Key in the first three digits of your seven-digit phone number into the calculator. (Note: Do not key in the area code, but the three digits after.)2. Multiply by 80.3. Add 1.4. Multiply by 250.5. Add the last 4 digits of your phone