In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.

the big mac ppp exchange rate between two countries is obtained by dividing the price of a big mac in one country -lrb- in its currency -rrb- by the price of a big mac in another country -lrb- in its currency -rrb-.
the big mac ppp exchange rate between two countries is found by dividing the price of a big mac in one country -lrb- in its currency -rrb- by the price of a big mac in another country -lrb- in its currency -rrb-.