Java Program to Calculate Simple Interest

public class SimpleInterest {
    public static void main(String[] args) {
        float p, r, t, si;
        p = 13000;
        r = 12;
        t = 2;
        si = (p * r * t) / 100;
        System.out.println("Simple Interest is: " + si);
    }
}

Simple Interest is: 3120.0