source file name:  basicop.c

void main()

{

int a, b,add,sub,mul,div;

clrscr();

printf("enter 2 numbers");

scanf("%d%d",&a,&b);

add=a+b;

sub=a-b;

mul=a*b;

div=a/b;

printf("\n Addition=%d Substraction=%d",add,sub);

printf("\n Multipication=%d Division=%d",mul,div);

getch();

}

output:

1.

enter 2 numbers 100 5

Addition=105 Substraction= 95

Multipication=500 Division=20

2.

enter 2 numbers 1500 20

Addition=1520 Substraction= 1480

Multipication=30000 Division=75