C语言银行利率

#include<stdio.h>
#include<math.h>
int main()
{
    float rate=0.0225,deposit,n,capital;
    printf("input:n,capital");
    scanf("%f,%f",&n,&capital);
    printf("%f,%f",n,capital);
    deposit=capital*pow(1+rate,n);//pow(内均为float)
    printf("deposit=%f",deposit);
}