Area and Perimeter of the Rectangle

#include <stdio.h>
/* height and width of a rectangle in inches */
int width;
int height;

int area;
int perimeter;

int main() {
    height = 7;
    width = 5;

    perimeter = 2*(height + width);
    printf("Perimeter of the rectangle = %d inches\n", perimeter);

    area = height * width;
    printf("Area of the rectangle = %d square inches\n", area);

return(0);
}