#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;

int N, K, T, U, V, L;
int A[10010];

int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(false);
  cout << fixed << setprecision(10);

  cin >> N >> K >> T >> U >> V >> L;
  for (int i = 0; i < N; i++) {
    int D;
    cin >> D;
    A[D]++;
  }

  int car = 0, bst = 0;
  double ans = 0;
  for (int i = 1; i <= L; i++) {
    ans += 1.0 / (bst ? V : U);
    bst = max(0, bst - 1);
    if (A[i]) {
      if (bst == 0) bst = T * V;
      else if (car < K) car++;
      else bst = T * V;
    } else {
      if (bst == 0 && car) car--, bst = T * V;
    }
  }
  cout << ans << endl;
  
  return 0;
}
