Detailed Instructions: Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.
Problem:Tagalog sentence: Siya na ginawa ng kanyang unang matematiko diskubre sa edad na limang kapag siya nagtrabaho ang mga formula para sa kabuuan ng isang arithmetic paglala.
Solution:
He made his first mathematical discovery at the age of five when he worked out the formula for the sum of an arithmetic progression.