text: /*
   * Copyright 2019-present Facebook, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may
   * not use this file except in compliance with the License. You may obtain
   * a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  
  #include <iostream>
  #include "HelloWorldLibrary.h"
  #include "MathLibrary.h"
  
  using namespace std;
  
  int main()
  {
      double a = 7.4;
      int b = 99;
  
      cout << "a + b = " <<
          MathLibrary::Functions::Add(a, b) << endl;
      cout << "a * b = " <<
          MathLibrary::Functions::Multiply(a, b) << endl;
      cout << "a + (a * b) = " <<
          MathLibrary::Functions::AddMultiply(a, b) << endl;
  
      HelloWorldLibrary::HelloWorld();
  
      return 0;
  }
  