---
type Category = travel|stay|food|gear
---
item:text!,category:Category,cost:EUR>=0,qty:int>=1,paid:yes/no,on:date,total:EUR=cost * qty
fuel,travel,84.20,1,yes,2026-08-14,
groceries,food,`=193.50 / 2`,2,no,2026-08-15,
ferry,travel,5O.00,1,no,2026-08-17,