Вопрос Как исправить ошибку [Error] "else" without a previous"if". В среде разработки: DEV C++ ?Сам код кот

#include
#include
using namespace std;
int main()
{
setlocale(0, "");
double h;
cout << "Êàêîå äåéñòâèå õîòèòå âûïîëíèòü?( 1)+, 2)-, 3)*, 4)/ ): " << endl;
cin >> h;
if (h == 1); {
setlocale(0,"");
int a, b;
cout << "Íàïèøè ÷èñëî: ";
cin >> a;
cout << "Íàïèøè ÷èñëî: ";
cin >> b;
int c = a + b;
cout << "Îòâåòèê: " << c << endl;
system("pause");
return 0;
} else if (h == 2); {
setlocale(0,"");
int a, b;
cout << "Íàïèøè ÷èñëî: ";
cin >> a;
cout << "Íàïèøè ÷èñëî: ";
cin >> b;
int c = a - b;
cout << "Îòâåòèê: " << c << endl;
system("pause");
return 0;
} else if (h == 3);{
setlocale(0,"");
int a, b;
cout << "Íàïèøè ÷èñëî: ";
cin >> a;
cout << "Íàïèøè ÷èñëî: ";
cin >> b;
int c = a * b;
cout << "Îòâåòèê: " << c << endl;
system("pause");
return 0;
} else if (h == 4); {
setlocale(0,"");
int a, b;
cout << "Íàïèøè ÷èñëî: ";
cin >> a;
cout << "Íàïèøè ÷èñëî: ";
cin >> b;
int c = a / b;
cout << "Îòâåòèê: " << c << endl;
system("pause");
return 0;
}
}