Several short trips and half-days

2-day trip: 32 2* 16 2.5-day trip: 40 2 * 20 3-day trip: 0 4-day trip: 0 5-day trip: 0 Number of day trips: 4 Number of overnight trips: 5 Day trip: 40 4 * 8 Half-day: 24 8 * 3 Total hours: 142 Teaching hours: 6 4 * 1.5