If I were able to enter a quantity, that would be one thing, but the option for me simply isn't there. So I have to do this awkward dance where I hold the jar

If I were able to enter a quantity, that would be one thing, but the option for me simply isn't there. So I have to do this awkward dance where I hold the jar of tomato sauce with one hand (for scanning) while the other moves the other jars from the cart to the bag (for the weight check.)