#include <stdio.h>
#define PI 3.14159

float DiscArea(float);
float RectArea(float,float);
float TotalArea(float,float);

int main()
{
float radius,height,cost,discarea,rectarea,totalarea;
int quant;
printf("\n\nPlease Enter the radius, height, cost per square centimeter and quantity\nrespectivly seperated by comma's: \n\n");
scanf("%f,%f,%f,%d",&radius,&height,&cost,&quant);
printf("\n\nThank you\n\n");
system("pause");
discarea = DiscArea(radius);
rectarea = RectArea(radius,height);
totalarea = TotalArea(rectarea,discarea);
cost *= totalarea;
printf("\n\nCost per unit = %c%.2f\nCost for %d containers = %c%.2f\n\n",156,cost,quant,156,(quant*cost));

system("pause");

return 0;
}

float DiscArea(float Radius){
Radius *= Radius;
Radius *= PI;
return Radius;
}

float RectArea(float Radius,float Height){
Radius *= 2;
Radius *= PI;
Radius *= Height;
return Radius;
}

float TotalArea(float RectArea,float DiscArea){
RectArea +=DiscArea;
return RectArea;
}