Java Arithmetic Expression

class Main {
    public static void main(String[] args) {
        int result = 32 * 21;
        System.out.println(result);
        double division = (double)24 / (double)15;
        System.out.println(division);
        int x = 1;
        int y = ++x;
        System.out.println(x);
        System.out.println(y);
        int a = 1;
        a += 2;
        System.out.println(a);
    }
}