write a c++ program to perform arithmetic operations

write a program to perform arithmetic operations

#include<iostream.h>
#include<conio.h>
void main()
{
int a,b,add,sub,mul,div;
cout<<"enter a no =";
cin>>a;
cout<<"enter b no ="; 
cin>>b;
add=a+b;
sub=a-b;
mul=a*b;
div=a/b;
cout<<"\n addition of a&b="<<add;
cout<<"\n substractin of a&b="<<sub;
cout<<"\n multiplication of a&b="<<mul;
cout<<"\n divition of a&b="<<div;
getch();
}