Answer:
Here is an example program in C++ to calculate zakat on cows:
```
#include <iostream>
using namespace std;
int main() {
double n, p, zakat;
cout << "Enter the number of cows you own: ";
cin >> n;
cout << "Enter the price of one cow in your currency: ";
cin >> p;
zakat = (n * p * 0.025);
cout << "Your zakat on cows is: " << zakat << endl;
return 0;
}
```
This program takes two inputs from the user: the number of cows they own and the price of one cow in their currency. It then calculates the zakat on cows using the formula zakat = (n * p * 0.025), where n is the number of cows and p is the price of one cow. The zakat is then displayed to the user.