A decimal monetary type, as in COBOL
A fixed point number
An infinitely precise floating point number such as
represented by the java.math.BigDecimal class
An IEEE754 double
A Java double
An IEEE 754 float
A VAX Fortran REAL
An imprecisely known decimal number with 4 significant digits that's plus or minus 1 in the last place.
An imprecisely known decimal number with 4 significant digits that's plus or minus 5 in the last place.
Build 67 of version 45 of Microsoft Word
A regular expression matching all strings that begin with the two characters '4' and '5', followed by a single character, followed by the two characters '6' and '7'.
A string of characters a monkey typed on a keyboard
Other interpretations are doubtless possible, and even make sense in particular contexts.
There's no guarantee that the string 45.67 in fact represents any particular type.