How do I know how many cases I am going to pack? PPS v.4.0.27

How do I know how many cases I am going to pack? PPS v.4.0.27

You may enter what you expect to pack. If you pack more, you may print more by editing the line item of the pack lot.

Use the arrows or type in the number of cases

After saving the pack lot, you may use the same function to update the number of cases and press "Update"

Updating the number of cases