Use the $*$ operator to calculate the total cost of the side salads. Store the result in a variable named ss$\_$cost$.$

$2.$ Use the $*$ operator to calculate the total cost of the hamburgers. Store the result in a variable named hb$\_$cost$.$

$3.$ Use the $*$ operator to calculate the total cost of the diet sodas. Store the result in a variable named ds$\_$cost