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

Read also:

• Does a narcissist ever get their comeuppance/karma for the vile things they've done? Such as cheating, smear campaign, etc.
• Teen girl from 6,200 years ago with cone-shaped skull unearthed in Iran - Phys.org
• ‘Just another day in the NFL’ as Steelers QB Mason Rudolph lands back in familiar place - Pittsburgh Post-Gazette
• Universal embezzlers naturally emerge in critical fermion systems, study finds - Phys.org
• Is it safe to take a hot shower after being exposed to extremely low temperatures?
• Former Player Gives Definitive Verdict on Knicks Firing Tom Thibodeau - Athlon Sports
• Rapid rookie Foster 'shaved the mustache and ended up on pole' - RACER - Racing News
• Social Security is making payments of $2,000 on average on Wednesday, June 18: find out who gets a check - Diario AS
• USMNT vs. Türkiye: Starting XI & Lineup Notes - US Soccer
• ‘Tyler Perry’s Straw’ Review: Taraji P. Henson Plays a Woman Well Past the Verge of a Nervous Breakdown - Variety
• Nintendo has replaced the longtime voice of Peach and Toad - Polygon
• Skin Aging Reduced by Molecules from Bacteria in the Blood - Neuroscience News
• Indians stretch, breathe and balance to mark International Day of Yoga - AP News