english: Indeed, the person we call Fibonacci was actually named Leonardo of Pisa, and these numbers appear in his book "Liber Abaci," which taught the Western world the methods of arithmetic that we use today.
non_english: V skutočnosti osoba, ktorú voláme Fibonacci, bol dokonca pomenovaný Leonardo z Pisi. Tieto čísla pochádzajú z jeho knižky "Liber Abaci," ktorá naučila západný svet metódam aritmetiky, ktoré používame doteraz.