Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Years | Gender | Area | Authority | Decile | Roll |
| --- | --- | --- | --- | --- | --- | --- |
| Auckland Normal Intermediate | 7–8 | Coed | Mount Eden | State | 9.0 | 731.0 |
| Balmoral Seventh-day Adventist School | 1–8 | Coed | Balmoral | State integrated | 5.0 | 95.0 |
| Balmoral School | 1–8 | Coed | Mount Eden | State | 9.0 | 808.0 |
| Cornwall Park School | 1–6 | Coed | Greenlane | State | 10.0 | 668.0 |
| Edendale School | 1–6 | Coed | Sandringham | State | 5.0 | 588.0 |
| Epsom Normal School | 1–6 | Coed | Epsom | State | 9.0 | 681.0 |
| Ficino School | 1–8 | Coed | Mount Eden | Private | 9.0 | 122.0 |
| Gladstone School | 1–6 | Coed | Mount Albert | State | 8.0 | 888.0 |
| Good Shepherd School | 1–6 | Coed | Balmoral | State integrated | 8.0 | 231.0 |
| Kohia Terrace School | 1–8 | Coed | Epsom | State | 10.0 | 373.0 |
| Kowhai Intermediate | 7–8 | Coed | Kingsland | State | 6.0 | 378.0 |
| Marist School | 1–6 | Coed | Mount Albert | State integrated | 7.0 | 278.0 |
| Maungawhau School | 1–6 | Coed | Mount Eden | State | 10.0 | 639.0 |
| Mount Albert School | 1–6 | Coed | Mount Albert | State | 6.0 | 328.0 |
| Mount Eden Normal School | 1–6 | Coed | Mount Eden | State | 10.0 | 656.0 |
| Our Lady Sacred Heart School | 1–8 | Coed | Epsom | State integrated | 10.0 | 232.0 |
| Owairaka District School | 1–6 | Coed | Mount Albert | State | 2.0 | 383.0 |
| Pasadena Intermediate | 7–8 | Coed | Point Chevalier | State | 6.0 | 297.0 |
| Point Chevalier School | 1–6 | Coed | Point Chevalier | State | 8.0 | 678.0 |
| St Francis Catholic School | 1–6 | Coed | Point Chevalier | State integrated | 7.0 | 249.0 |
| TKKM o Nga Maungarongo | 1–8 | Coed | Mount Albert | State | 3.0 | 83.0 |
| Waterview School | 1–6 | Coed | Waterview | State | 2.0 | 147.0 |
Question:
What is the average decile of the school with a state authority and a roll number of 888?
Answer:
8.0