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

Read also:

• What made Sally Field a standout choice for "Smokey and the Bandit" despite her reputation as a serious actress after "Sybil"?
• A Japanese lander crashed on the Moon after losing track of its location - Ars Technica
• What are James Potter's flaws?
• Nintendo Switch 2 Divides the Community as Doubts Rise Over Whether the New Console Truly Delivers on Expectations - Rude Baguette
• Chinese-Owned Company Halts Work on Factory to Make Batteries in U.S. - WSJ
• Two University of Wisconsin-Milwaukee researchers part of global team that discovered a new object in space - Milwaukee Journal Sentinel
• USDA develops potential plan to vaccinate poultry for bird flu - KSL News
• LSU baseball vs. Little Rock: First pitch time, how to watch Monday's Baton Rouge regional final - NOLA.com
• Man accused of writing Trump assassination letters was framed, officials say - BBC
• Health experts issue stark warning about a disease that’s silently killing millions: Are you at risk? - Times of India
• Paul Skenes Q&A: Pirates ace speaks frankly about lack of run support in quality starts - TribLIVE.com