calculator - how fix roundig operation in swift

Question

I'm new to swift. I usually use other languages, I made a calculator but I have a problem with some operations, for example when I print (1666.66 * 10) it prints 16666.60 ... 02 can you tell me why and how to fix it? thanks

question from:https://stackoverflow.com/questions/65872314/how-fix-roundig-operation-in-swift

Answer 1

Waitting for answers