import java.util.ArrayList;
public class Calculator {
ArrayList products;
double productSum;
int personCount;
Calculator(int personCount) {
this.personCount = personCount;
this.productSum = 0;
this.products = new ArrayList<>();
}
void addProduct(Product product) {
products.add(product);
productSum += product.price;
}
double getSumPerPerson() {
return productSum / personCount;
}
}