How define under item for production the their standard qty based on their components

Summary: How to define under item for production their standard qty based on their components

For example, our item 006020014_Fisnish_Good_Rev3 is the raw material for the finished good item but the sum of components is created to produce 100 kg all time.

How can set this parameter in the item? when creating the work orders need to calculate the qty of the components items based on 100 kgs that equal to the picture of ingredients