I got this catalina announcment today:

Buy any 3 or more Kellogg's Cereals 12oz or larger between 3/19 - 4/10

Buy 3-4 boxes & get 1 free gallon of milk
Buy 5-6 boxes & get 2 free gallons of milk
Buy 7 or more & get 3 free gallons of milk

All free milk coupons are good on any brand, any flavor up to $4.19 per gallon.