USD X R$ = https://www.x-rates.com/calculator/?from=USD&to=BRL&amount=1
EURO X R$ = https://www.x-rates.com/calculator/?from=EUR&to=BRL&amount=1
GBP X R$ = https://www.x-rates.com/calculator/?from=GBP&to=BRL&amount=1
AUD X R$ = https://www.x-rates.com/calculator/?from=AUD&to=BRL&amount=1
CAD X R$ = https://www.x-rates.com/calculator/?from=CAD&to=BRL&amount=1