#include <bits/stdc++.h>
using namespace std;

using Int = long long;
const char newl = '\n';

template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
template<typename T> void drop(const T &x){cout<<x<<endl;exit(0);}
template<typename T=Int>
vector<T> read(size_t n){
  vector<T> ts(n);
  for(size_t i=0;i<n;i++) cin>>ts[i];
  return ts;
}

//INSERT ABOVE HERE

// [a, b]
Int sum(Int a,Int b){
  if(a>b) return 0;
  return (a+b)*(b-a+1)/2;
}

// [1, n]
Int calc(Int d,Int n){
  Int x=n/d;
  Int y=n%d;
  return sum(1,d)*x+sum(1,y);
}

signed solve(){
  Int d,a,b;
  cin>>d>>a>>b;
  if(a==0) a++;
  cout<<calc(d-1,b)-calc(d-1,a-1)<<newl;
  return 0;
}

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);
  Int T;
  cin>>T;
  while(T--) solve();
  return 0;
}