92. On a 240-meter long road, trees are to be planted at equal distances on both sides (trees are to be planted at both ends). After pits have been dug every 8 meters for planting a tree, it is decided to change to planting a tree every 6 meters. How many more pits $\qquad$ need to be dug, and how many pits $\qquad$ need to be filled in?
Reference answer: 60, 40