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 |
| --- | --- | --- | --- | --- |
| Lorenzo Bandini | Ferrari | 105.0 | 2:06:18.23 | 7.0 |
| Richie Ginther | BRM | 105.0 | + 6.18 | 5.0 |
| Bob Anderson | Brabham - Climax | 102.0 | + 3 laps | 14.0 |
| Tony Maggs | BRM | 102.0 | + 3 laps | 19.0 |
| Innes Ireland | BRP - BRM | 102.0 | + 3 laps | 11.0 |
| Jo Bonnier | Brabham - Climax | 101.0 | + 4 laps | 10.0 |
| Giancarlo Baghetti | BRM | 96.0 | + 9 laps | 15.0 |
| Mike Hailwood | Lotus - BRM | 95.0 | + 10 laps | 18.0 |
| Jack Brabham | Brabham - Climax | 76.0 | + 29 laps | 6.0 |
| Jochen Rindt | Brabham - BRM | 58.0 | Steering | 13.0 |
| Phil Hill | Cooper - Climax | 58.0 | Accident | 20.0 |
| Dan Gurney | Brabham - Climax | 47.0 | Suspension | 4.0 |
| Bruce McLaren | Cooper - Climax | 43.0 | Engine | 9.0 |
| Mike Spence | Lotus - Climax | 41.0 | Halfshaft | 8.0 |
| Jim Clark | Lotus - Climax | 40.0 | Halfshaft | 3.0 |
| Trevor Taylor | BRP - BRM | 21.0 | Suspension | 16.0 |
| Jo Siffert | Brabham - BRM | 18.0 | Accident | 12.0 |
| John Surtees | Ferrari | 9.0 | Suspension | 2.0 |
| Chris Amon | Lotus - Climax | 7.0 | Engine | 17.0 |
| Graham Hill | BRM | 5.0 | Distributor | 1.0 |
Question:
How many grids have 102 laps and a Time/Retired of + 6.18?
Answer:
1.0