try yourself |run program

#include <stdio.h> 
#include <conio.h> 
void main(){ 
 int a;
 int b;
 int mul;
 clrscr();
 printf("Enter value of a: ");
 scanf("%d",&a);
 printf("\n Enter value of b: ");
 scanf("%d",&b);
 mul = a * b;
 printf("\n %d * %d = %d",a,b,mul);
 getch();
}

Program Output

Enter value of a: 10 
Enter value of b: 5 
10 * 5 = 50