For the ambulance to transport patients from Hangzhou to hospital, the general charge for short distance transportation across provinces ranges from 600 yuan to 1000 yuan, and the charge for long-distance transportation is generally 7 yuan to 10 yuan per kilometer. The price of an ambulance is usually calculated in kilometers. It's not difficult to rent an ambulance home. It is known that the patient should search for an ambulance in advance after recovery, and usually arrive early after the specified time.
