Full Metal Jacket received a limited release on June 26, 1987, in 215 theaters.  Its opening weekend saw it accrue $2,217,307, an average of $10,313 per theater, ranking it the number 10 film for the June 26–28 weekend.  It took a further $2,002,890 for a total of $5,655,225 before entering wide release on July 10, 1987, at 881 theaters—an increase of 666.  The July 10–12 weekend saw the film gross $6,079,963, an average of $6,901 per theater, and rank as the number 2 grossing film. Over the next four weeks the film opened in a further 194 theaters to its widest release of 1,075 theaters before closing two weeks later with a total gross of $46,357,676, making it the number 23 highest-grossing film of 1987. The film eventually went on to gross $120 million worldwide.

How many more theatres did the move play in during its widest release compared to its limited release?
860