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:
| Driver | Constructor | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Nelson Piquet | Williams - Honda | 51.0 | 1:17:42.889 | 6.0 |
| Nigel Mansell | Williams - Honda | 51.0 | + 9.828 | 3.0 |
| Stefan Johansson | Ferrari | 51.0 | + 22.915 | 12.0 |
| Keke Rosberg | McLaren - TAG | 51.0 | + 53.809 | 8.0 |
| Gerhard Berger | Benetton - BMW | 50.0 | + 1 Lap | 4.0 |
| Alan Jones | Lola - Ford | 49.0 | + 2 Laps | 18.0 |
| Thierry Boutsen | Arrows - BMW | 49.0 | + 2 Laps | 13.0 |
| Christian Danner | Arrows - BMW | 49.0 | + 2 Laps | 16.0 |
| Philippe Streiff | Tyrrell - Renault | 49.0 | + 2 Laps | 23.0 |
| Martin Brundle | Tyrrell - Renault | 49.0 | + 2 Laps | 20.0 |
| Alex Caffi | Osella - Alfa Romeo | 45.0 | Not Classified | 27.0 |
| Teo Fabi | Benetton - BMW | 44.0 | Puncture | 1.0 |
| Michele Alboreto | Ferrari | 33.0 | Engine | 9.0 |
| Andrea de Cesaris | Minardi - Motori Moderni | 33.0 | Engine | 21.0 |
| Ivan Capelli | AGS - Motori Moderni | 31.0 | Puncture | 25.0 |
| René Arnoux | Ligier - Renault | 30.0 | Gearbox | 11.0 |
| Jonathan Palmer | Zakspeed | 27.0 | Engine | 22.0 |
| Alain Prost | McLaren - TAG | 27.0 | Disqualified | 2.0 |
| Philippe Alliot | Ligier - Renault | 22.0 | Engine | 14.0 |
| Johnny Dumfries | Lotus - Renault | 18.0 | Gearbox | 17.0 |
| Derek Warwick | Brabham - BMW | 16.0 | Spun Off | 7.0 |
| Alessandro Nannini | Minardi - Motori Moderni | 15.0 | Electrical | 19.0 |
| Piercarlo Ghinzani | Osella - Alfa Romeo | 12.0 | Suspension | 26.0 |
| Patrick Tambay | Lola - Ford | 2.0 | Accident | 15.0 |
| Riccardo Patrese | Brabham - BMW | 2.0 | Accident | 10.0 |
| Huub Rothengatter | Zakspeed | 1.0 | Engine | 24.0 |
| Ayrton Senna | Lotus - Renault | 0.0 | Transmission | 5.0 |
Question:
What is nigel mansell's time/retired?
Answer:
+ 9.828