## Article

```catala
declaration scope A:
  context output x content decimal
  context output y content decimal
  context output z content decimal
  output k content decimal

scope A:
  definition x equals 84.648665
  definition y equals 4.368297
  definition z equals x / y
  definition k equals 1/3
```



```catala-test-inline
$ catala Typecheck --check-invariants
┌─[RESULT]─
│ All invariant checks passed
└─
┌─[RESULT]─
│ Typechecking successful!
└─
```

```catala-test-inline
$ catala test-scope A
┌─[RESULT]─
│ k = 0.333,333,333,333,333,333,33…
│ x = 84.648,665
│ y = 4.368,297
│ z = 19.377,955,528,206,987,757…
└─
```