diff --git a/kjg/python-the-hard-way/e4.py b/kjg/python-the-hard-way/e4.py
new file mode 100644
index 0000000..edec0a3
--- /dev/null
+++ b/kjg/python-the-hard-way/e4.py
@@ -0,0 +1,17 @@
+cars = 100
+space_in_a_car = 4.0
+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.")
+
diff --git a/kjg/python.org b/kjg/python.org
index 4dea597..885fb90 100644
--- a/kjg/python.org
+++ b/kjg/python.org
@@ -36,3 +36,10 @@ How about some more.
 Is it greater? True
 Is it greater or equal? True
 Is it less or equal? False
+**** ex4
+There are 100 cars available.
+There are only 30 drivers available.
+There will be 70 empty cars today.
+We can transport 120.0 people today.
+We have 90 to carpool today.
+We need to put about 3.0 in each car.