public class Tester
{
 public static void main(String args[])
{
    double d1 = 37.9;
    double d2 = 1004.128;
    int i1 = 12;
    int i2 = 18;
    double p1=(57.2 * (12 / 18)+1);
    double p2 = (57.2 * ((double)12 / 18 + 1));
    double p3 = (15 - 12 * ( 37.9 * 3)+4);
    double p4 = (15 - 12 * (int)(37.9 * 3)+4);
    double p5 = (15 - 12 * ( (int)37.9*3)+4);
    System.out.print("Problem 1: ");
    System.out.println(p1);
    System.out.print("Problem 2: ");
    System.out.println(p2);
    System.out.print("Problem 3: ");
    System.out.println(p3);
    System.out.print("Problem 4: ");
    System.out.println(p4);
    System.out.print("Problem 5: ");
    System.out.println(p5);
}
 }