numbers divided together  
    ↓----------↓ 
    ((a / b / c) = a + b + c) ← numbers added together
  | ((a / c / b) = a + b + c)
  | ((b / a / c) = a + b + c)
  | ((b / c / a) = a + b + c)
  | ((c / a / b) = a + b + c)
  | ((c / b / a) = a + b + c)
  | ((a / (b / c)) = a + b + c)
  | ((a / (c / b)) = a + b + c)
  | ((b / (a / c)) = a + b + c)
  | ((b / (c / a)) = a + b + c)
  | ((c / (a / b)) = a + b + c)
  | ((c / (b / a)) = a + b + c) = true