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

Read also:

• Why is the French way to say please is "S'il te plaît" and not "Pour Favour" like Spanish and Portuguese "Per Favor" and Italian "Per Favore" in the Romance languages group?
• A rocket scientist wrestles with backlash over her Blue Origin flight - The Washington Post
• RPI researchers delighted when underwater volcano opened up beneath them - Times Union
• DF Weekly: Why would Microsoft "sideline" its next generation handheld? - Eurogamer
• How do flat earthers explain the Earth being stationary? Is this concept considered impossible?
• They say that the Democrats media is able to gaslight their ignorant followers. How true is that, and is the fact that Democrats have echoed that Jan 6th was worse than 9/11 or Pearl Harbor proof of that, via gaslighting their ignorant followers?
• Aut explicabo sapiente quis consequuntur fuga consectetur fugit.
• Scientists hooking flies on cocaine to study addiction: Reports - WKRN News 2
• AMD confirms AGESA 1.2.0.3e fixes TPM security flaw - VideoCardz.com
• Why do the majority of feminists hate men (not all feminists)?