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

Read also:

• Rethinking Alzheimer’s Disease: New Research Reveals That It Affects the Entire Body, Not Just the Brain - SciTechDaily
• Apple’s Liquid Glass design is paving the way for AR glasses - TechCrunch
• Mets and Dodgers are more than living up to heavyweight billing - New York Post
• Jury In Harvey Weinstein Rape Retrial Set To Start Deliberations Wednesday – Update - Deadline
• AI risks 'broken' career ladder for college graduates, some experts say - ABC News
• Where are the big girls? This is the first time I've seen a bigger lady boy and that's awesome .. you should post more of them here, nothing wrong with a thick black lady
• We interrupt the Musk-Trump feud with a teensy bit of news from the climate front - Daily Kos
• Why does having a college degree no longer carry the same prestige as before? People don't have the same respect for the educated.
• The First At-Home Cervical Cancer Screening Device Was Approved by the FDA, Set to Roll Out This Year - Good News Network
• What to Watch: Barbara Walters Documentary, LEGO Masters Build Batmobiles and More - TVLine