#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m;
  char c;
  cin >> n >> m;
  vector<int> rows(n), cols(m);
  vector<vector<bool> > A(n);
  for (int i = 0; i < n; ++i)
    for (int j = 0; j < m; ++j) {
      cin >> c;
      if (c == '*') {
        A[i].push_back(true);
        rows[i]++;
        cols[j]++;
      } else
        A[i].push_back(false);
    }
  long long res = 0;
  for (int i = 0; i < n; ++i)
    for (int j = 0; j < m; ++j)
      if (A[i][j]) res += (cols[j] - 1) * (rows[i] - 1);
  cout << res;
  return 0;
}
