#include <stdio.h>

float calc(float num[])
{
    float sum=0.0;
    for (int i =0;i<6;++i)
    {
        sum=sum+num[i];
    }
        return sum;
}

int main()
    {
        float result,num[]={23.4,55,22.6,3,40.5,18};
        result=calc(num);
        printf("Result=%.2f",result);
    }