Add delivered paper while preserving loose rolls
Illustrative inputs, not verified product specifications or care recommendations.The household question
Two new packs arrive when one loose roll remains.

Measurements and assumptions
Before the change
| Full packs | 0 |
|---|---|
| Rolls per pack | 6 |
| Loose rolls | 1 |
| Item name | Add delivered paper while preserving loose rolls |
| Storage location | Household supply shelf |
| Minimum stock | 0 |
After the change
| Full packs | 2 |
|---|---|
| Rolls per pack | 6 |
| Loose rolls | 1 |
| Item name | Add delivered paper while preserving loose rolls |
| Storage location | Household supply shelf |
| Minimum stock | 0 |
Carry out this task
- Save the Before values on the linked tool.
- Increase unopened packs after verifying delivery.
- Calculate & Save the After values on the same item. Check the ID is retained rather than creating another physical item.
Calculation and observed tool result
Before
0 × 6 + 1 = 1 rollsRecorded quantity: 1 rolls.
After
2 × 6 + 1 = 13 rollsRecorded quantity: 13 rolls.
What the result means
The stock rises from one to thirteen rolls.
Limits of this example
Count only goods already received.
A mistake to avoid
Replacing the loose count with the delivery count loses the existing roll.
Open Toilet Paper Pack & Roll Counter · How to Organize Bathroom and Laundry Supplies