text: #include<stdio.h>
  
  struct Rectangle{
  
      int length;
      int breadth;
  };
  int main()
  {
   struct  Rectangle r ={3,13};
  struct Rectangle *p=&r;
  r.length=4;
  p->length =5;
  
  printf("%d",r.length*r.breadth);
  
   
  
  }
  