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 |
| --- | --- | --- | --- | --- |
| Jack Brabham | Brabham - Repco | 80.0 | 2:13:13.4 | 1.0 |
| Denny Hulme | Brabham - Repco | 80.0 | + 9.6 | 2.0 |
| Graham Hill | BRM | 79.0 | + 1 lap | 4.0 |
| Jim Clark | Lotus - Climax | 79.0 | + 1 lap | 5.0 |
| Jochen Rindt | Cooper - Maserati | 79.0 | + 1 lap | 7.0 |
| Bruce McLaren | McLaren - Serenissima | 78.0 | + 2 laps | 13.0 |
| Chris Irwin | Brabham - Climax | 78.0 | + 2 laps | 12.0 |
| John Taylor | Brabham - BRM | 76.0 | + 4 laps | 16.0 |
| Bob Bondurant | BRM | 76.0 | + 4 laps | 14.0 |
| Guy Ligier | Cooper - Maserati | 75.0 | + 5 laps | 17.0 |
| Chris Lawrence | Cooper - Ferrari | 73.0 | + 7 laps | 19.0 |
| Bob Anderson | Brabham - Climax | 70.0 | Not Classified | 10.0 |
| Jo Siffert | Cooper - Maserati | 70.0 | Not Classified | 11.0 |
| John Surtees | Cooper - Maserati | 67.0 | Transmission | 6.0 |
| Jo Bonnier | Brabham - Climax | 42.0 | Clutch | 15.0 |
| Peter Arundell | Lotus - BRM | 32.0 | Gearbox | 20.0 |
| Jackie Stewart | BRM | 17.0 | Engine | 8.0 |
| Mike Spence | Lotus - BRM | 15.0 | Oil Leak | 9.0 |
| Dan Gurney | Eagle - Climax | 9.0 | Engine | 3.0 |
| Trevor Taylor | Shannon - Climax | 0.0 | Engine | 18.0 |
Question:
What is the grid total for bruce mclaren with over 73 laps?
Answer:
13.0