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

Read also:

• Utah doctors see promising results from new radiation therapy for brain tumors - KSLTV.com
• What do most wives fantasize about?
• Here's Where Traders Expect Broadcom Stock to Go After Earnings - Investopedia
• Drinking coffee could help you age better, according to this Harvard study. - Stewartville Star
• What is the word for truth and its meaning in Koine Greek?
• Scientists Solve Decades-Old Cell Biology Mystery - SciTechDaily
• What are some other solutions to tackle the housing crisis in England besides introducing a form of rent cap?
• Approximately 1.7 million air conditioners voluntarily recalled for potential mold exposure - ABC News
• Josh Allen And Hailee Steinfeld's Wedding Photos Have Social Media Buzzing - OutKick
• Can you explain the difference between “mi piace” and “mi piacciono” in Italian?