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

Read also:

• What are "the new net zero jobs of tomorrow" that SNP's Stephen Flynn says his party would create?
• Posting Memes With Pride - Vulture
• What is a good way to conduct an interview?
• Were any US Generals hurt or killed yesterday in Damascus, Syria, yesterday 5/9/24?
• U.S. imports see largest plunge on record in April - Axios
• How is the legalization of same-sex marriage impacting societal norms in the USA?
• Science news this week: 'City-killer' asteroid swarms and a buried toddler 'Ice Prince' - Live Science
• Which brand is the best home slippers in the Middle East?
• Jim Cramer Predicts We're Headed To 'Prices We're Not Used To' – Says You Should Invest At Least $50 a Month to Tackle Financial Uncertainty - Benzinga
• Do you think there will ever be a movie that features a line such as “You graduated at the top of your class in liberal arts, we need your help”?