Winnie and Angela are going to Switzerland for vacation. They go to the Bank of Geneva in Switzerland to exchange all their money from Canadian Dollars (CAD$) to Swiss Francs (SFr.). The exchange rate is CAD$1.00 = SFr. 0.9321. After exchanging their money, Winnie and Angela have SFr. 256.34 Swiss Francs. How much Canadian money did they bring with them to Switzerland?
show your work please