Reading points from user and calculating the distance between them in the Euclidean space in C

#include <stdio.h>
#include <math.h>

struct distance{
float x1,x2,y1,y2,x3,x4,y3,y4,s;
}d;

int main()
{
float d1,d2;
//Inputing data for first distance
printf("Enter the x-coordinate of 1st point: ");
scanf("%f", &d.x1);
printf("Enter the y-coordinate of 1st point: ");
scanf("%f", &d.y1);
printf("Enter the x-coordinate of 2nd point: ");
scanf("%f", &d.x2);
printf("Enter the y-coordinate of 2nd point: ");
scanf("%f", &d.y2);

//Inputing data for second distance
printf("Enter the x-coordinate of 3rd point: ");
scanf("%f", &d.x3);
printf("Enter the y-coordinate of 3rd point: ");
scanf("%f", &d.y3);
printf("Enter the x-coordinate of 4th point: ");
scanf("%f", &d.x4);
printf("Enter the y-coordinate of 4th point: ");
scanf("%f", &d.y4);

//Calculating the distances
d1 = pow(pow((d.x2-d.x1),2)+pow((d.y2-d.y1),2),0.5);
d2 = pow(pow((d.x3-d.x4),2)+pow((d.y3-d.y4),2),0.5);
d.s= d1+d2;

//Displaying values to user
printf("The distance between 1st and 2nd is %f\n", d1);
printf("The distance between 3rd and 4th is %f\n", d2);
printf("The sum of distance between 1st,2nd,3rd and 4th point is %f",d.s);

return 0;
}