What is the sum of X+XX+XXX+XXXX?

Read also:

• What is the best comeback you used on someone?
• How to reduce the age of the heart by 20 years - Times of India
• What is better? Tik Tok or YouTube?
• South Korea’s Venus-focused cubesat advances as larger missions face NASA cuts - SpaceNews
• Eastern District of Virginia | U.S. Government seizes approximately 145 criminal marketplace domains - Department of Justice (.gov)
• WWE monitoring US-Iran situation with two Saudi Arabia shows set for next weekend - New York Post
• How do you get a girl to like you?
• Is there any new American thing?
• 6 "Bad" Fruits You Should Be Eating for Weight Loss, According to Dietitians - EatingWell
• Fewer than 500 neurons are associated with the suppression of binge drinking, new research finds - Medical Xpress
• It is reported that President-elect Donald Trump meets with the TikTok CEO Shou Chew at Mar-a-Lago. Will TikTok take a turn for the better?
• 'He doesn't deserve this humiliation!' - Lionel Messi urged to LEAVE Inter Miami after PSG run rings around his 'inept' team-mates in first-half demolition at Club World Cup - Goal.com
• Vitamin C has a significant anti-aging effect on skin at the cellular and genetic level, new study shows - Earth.com
• South Africa’s emotional WTC triumph: Proteas win first major cricket trophy in 27 years - AP News