u/Angeleyes41515

I work at a small store only one of its kind. We sell some groceries and cigarettes. A woman came in and bought two cartons of cigarettes. The total should have been $140.95 I typed that into the register, then I have to type it into the debit card terminal. I was talking to the customer and I typed just $14.95 can I somehow change the price she was charged and get the remaining $126.00 she owes? Or do I need her to come back into the store?