Help me in solving CLB009 problem

My issue

Write a program for the following problem

Let’s consider a rectangle of sides 11 and 13.Output the following on separate linesArea of the rectanglePerimeter of the rectangle

My code

#include <stdio.h>

int main(void) {
int width=11;
int height=13;

printf("Area of the rectangle=%d",area);
printf("perimeter of rectangle =%d",perimeter);
	return 0;

Learning course: Learn C
Problem Link: CodeChef: Practical coding for everyone

Don’t print the statement just print the result.
like this

#include <stdio.h>

int main() {

  printf("%d\n",11 * 13); 
  printf("%d",2 * ( 11 + 13 ));

  return 0;