52B - Right Triangles - CodeForces Solution

a,b = map(int,input().split())
matrix = []
scoluna = [0 for i in range(b)]
slinha = [0 for i in range(a)]
for i in range(a):
    matrix.append(input())
    for j in range(b):
        if matrix[-1][j] == ".":
            continue
        slinha[i] = slinha[i] + 1
        scoluna[j] = scoluna[j] + 1
res = 0
for i in range(a):
        for j in range(b):
                if matrix[i][j] == "*":
            res += (scoluna[j]-1)*(slinha[i]-1)
print(res)