#include <bits/stdc++.h>
using namespace std;
char s[1005][1005];
int numx[1005], numy[1005], n, m;
int main() {
  long long ans = 0;
  int i, j;
  scanf("%d %d", &n, &m);
  for (i = 0; i < n; i++) scanf("%s", s[i]);
  memset(numx, 0, sizeof(numx));
  memset(numy, 0, sizeof(numy));
  for (i = 0; i < n; i++) {
    for (j = 0; j < m; j++)
      if (s[i][j] == '*') {
        numx[i]++;
        numy[j]++;
      }
  }
  for (i = 0; i < n; i++) {
    for (j = 0; j < m; j++)
      if (s[i][j] == '*') {
        long long temp = (long long)(numx[i] - 1) * (long long)(numy[j] - 1);
        ans += temp;
      }
  }
  printf("%I64d", ans);
  return 0;
}
