Detailed Instructions: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Q: The Belarusian ruble or rouble ( " rubiel " ; sign : Br ; code : BYN ) is the official currency of Belarus .
A:
The ruble is the currency of Belarus .