McChicken is $3.19 on my $1 $2 $3 menu, and my location is an expensive one.
Some stuff has gone 3x. More stuff has gone 1.5x or 2x. Nothing at McD's has gone up 6x in the past twenty years.
That's a 4.7x increase, which is close enough to 6x in colloquial conversation to convey the same point.
