arithmetic operations using pointers

/* arithmetic operations of two variables using pointers */

#include<conio.h>
#include<stdio.h>
int main()
{
	int a,b,*num1,*num2,sum=0,diff=0,pro=0,rem=0;
	float quo=0;
	//clrscr();
	num1=&a;
	num2=&b;
	printf("Enter values of a and b:\n");
	scanf("%d %d",&a,&b);
	sum= *num1 + *num2;
	diff= *num1 - *num2;
	pro= *num1 * *num2;
	if(*num2 == 0)
	{
		printf("Division1 by 0 not possible\n");
	}
	else
	{
		quo= (float)*num1 / *num2;
		rem= *num1 % *num2;
		printf("Quotient is %f\n",quo);
		printf("Remainder is %d\n",rem);
	}
	printf("Sum is %d\n",sum);
	printf("Difference is %d\n",diff);
	printf("Product is %d\n",pro);
	getch();
	return 0;
}