#!/usr/bin/perl6
# your code goes here

# default is Rat
say 0.333.WHAT;
say 0.2222 - 0.22 - 0.0005;
say 0.2222 - 0.22 - 0.0005 == 0.0017;

# Num is IEEE754 number
say 0.255.Num.WHAT;
say 0.2222.Num - 0.22.Num - 0.0005.Num;