C:\>perl -E "my $gap = 1.23; $gap = $gap.00; print ($gap + 1.5);"
2.73                     # not an integer
C:\>perl -E "my $gap = 1; $gap = $gap.00; print ($gap + 1.5);"
11.5                 # not even close! And not just BTW, WTF happens here?