guys i want help with little simple thing alright i want to make a pizza production mechanisum i have a input field pizza ------------------------
when i make 8 pizza,s in one day it should save 8 on that day on the next it should add those 8 previous day pizza including pizza made that days say 8+ 16 made today and so on adding previous days pizza and so on and good part is it should have a minus function too it should be like a calculator please help me out
