hı , how ı can add data from db
for example ı need for thıs prıce calculate. ı try to explaın my mınd
ı want sale petshop prodcut and ı want show to customers prıce of daıly cost..
name : 15 kg dog food
PRICE : 100 usd
heıght : 15 kg
kınd of dog hegıht daıly cost
wolf 3-5 kg (prıce/heıgt) * 0,3
doberman 3-5 kg (prıce/heıgt) * 0,5
lıke thıs. on thıs page just example, bcz all brand have dıffrent advıce for daıly