Strassen __128int

#include<bits/stdc++.h>
using namespace std;
const int mo=1e9+7;
typedef __int128 lll;
int T,a,b;long long n;
lll calc(lll n)
{
    lll ans=n*n*n*b+(n-1)*n*n*a;
    if(n%2==0)
    ans=min(ans,18*(n/2)*(n/2)*a+7*calc(n/2));
    return ans;
}
int main(){
    scanf("%d",&T);
    while(T--)
    {
        cin>>n>>a>>b;
        printf("%d\n",int(calc(n)%mo));
    }
    return 0;
}