Celsius to Fahrenheit

//Celsius to Fahrenheit by reading the inputs from a text file and output the answer to another text file

#include <iostream>
#include <fstream>
using namespace std;

int main()
{
  float celsius, fahrenheit;

  ifstream inputFile;
  {
    inputFile.open("Input.txt");
    inputFile >> celsius;
  }

  fahrenheit = (celsius * 9 / 5) + 32;

  ofstream outputFile;
  {
    outputFile.open("Output.txt");
    outputFile << celsius << " Celsius = ";
    outputFile << fahrenheit << " Fahrenheit";
  }

  inputFile.close();
  outputFile.close();

  return 0;
}