cars=100 # the total no. of cars
space_in_a_car=4.0 # the capacity of cars
drivers=30 
passengers=90
cars_not_driven=cars-drivers 
cars_driven=drivers
carpool_capacity=cars_driven*space_in_a_car
average_passengers_per_car=passengers/cars_driven

print "There are", cars, "cars available."
print "There are only", drivers, "drivers available."
print "There will be", cars_not_driven, "empty cars today."
print "We can transport", carpool_capacity, "people today."
print "We have", passengers, "to carpool today."
print "We need to put about", average_passengers_per_car, "in each car."
