{⟦
  org() ↦ ⟦
    eolang() ↦ ⟦
      math() ↦ ⟦
        e ↦ 2.718281828459045,
        λ ⤍ Package
      ⟧,
      λ ⤍ Package
    ⟧,
    λ ⤍ Package
  ⟧
⟧}