// OB会夏合宿2011 Day2 H : Starting Line

#include <iostream>

using namespace std;

int main(){
	int N, K, T, U, V, L;
	double D[201];
	while(cin >> N >> K >> T >> U >> V >> L){
		for(int i=0;i<N;i++) cin >> D[i];
		D[N] = L;
		double res = (double)D[0]/U;
		double lest = T;
		// ニンジンを貪欲に使ってゴールまで向かう
		for(int i=1;i<=N;i++){
			double len = D[i]-D[i-1];
			if(len > lest*V){
				res += lest + (len-lest*V)/U;
				lest = 0;
			} else {
				res += len/V;
				lest -= len/V;
			}
			lest = min(lest+T, T*(K+1.0));
		}
		printf("%.8lf\n", res);
	}
}