Creation of an electronic cookbook for cooking students

Hi everyone, my name is Luca and I’m creating a recipe book with Thunkable X that communicates with Fire Base. The idea is to create a calculation system based on a Firebase pantry of Ingredients with their nurational characteristics, in addition to the classic ones.
I am experiencing some problems in creating, saving, selecting Data and calculating mathematics.
If anyone feels like helping me I will be very happy.
Thank you very much and congratulations for the community:ghignante:

Hey! How is this going? It sounds like a sweet idea!!