Avarage Number Of Test Exam

#include<stdio.h>
    int main()
    {
        float test = 0;
        float number = 0;
        float gpa = 0;
        float avarage = 0;

        do
        {
            printf("Number of Test:%.0f    Avarage : %.2f \n",test,avarage);
            scanf("%f",&number);
            gpa+=number;
            test++;
            avarage = gpa/test;

        }while(number !=0);


        return 0;
    }