I have a Field in this table which reads, and this is a sample because there are over 82,000 tracks in this county, "40 acres".
I do have this Script which I know took the "Acres" portion out of the field and the number portion is the only part of the field I need, and this looks like this.
This is the way I have entered this Script:
But I keep getting this error message:
What am I doing wrong?