input: 
  def find_total_surfacearea(length: float, breadth: float, height: float) -> float:
      return 2 * (length * breadth + breadth * height + height * length)
  
  ### Test cases:
  # Input: 2, 3, 4
  # Output: 52
  
output:     return 2 * (length * breadth + breadth * height + height * length)