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

Read also:

• Iconic ‘90s Actress, 52, Flaunts Figure in Black Swimsuit While Yachting - parade.com
• iFixit Says Switch 2 Is Probably Still Drift Prone - WIRED
• Scientists Say Humans Now Are "Pansies" Compared To Prehistoric Yellowstone People - Cowboy State Daily
• Nasa delays next flight of Boeing’s alternative to SpaceX Dragon - The Edge Malaysia
• New study maps psychological pathway from childhood abuse to adolescent addiction - PsyPost
• My boyfriend won’t tell me his past and it hurts me so I broke up with him what do I do?
• How do I become an intelligent man?
• NTSB finds fuel leak and improperly installed parts in the engine of an airliner that caught fire - AP News
• Which country has the best and strictest legal system in the world?
• Prediction: Nvidia Will Beat the Market. Here's Why - The Motley Fool
• Do girls ever miss their first love?
• Why can't hot girls date ugly guys? I am ugly but I want an attractive girlfriend
• Why am I so jealous towards couples? Why am I tired of being single and feel my life is over?
• XRP Forecast: Pundit Predicts Where XRP Could Be Headed by June - The Crypto Basic
• Are female judges more lenient than male ones?