How do i add spaces ~(very simple)

How do i add spaces to the line in bold, thought +'s would of done this, please help?

public class travel{

public static void main (String[]arg) {

double speed =85;

double time;

double distance;

System.out.println("Please enter the distance in Kilometres");

distance=UserInput.readDouble();

time=distance/speed;

int hours;

int minutes;

int seconds;

hours= (int)(time/3600);

minutes=(int)(time/60);

**System.out.println("To travel"+ distance +"kilometres it takes"+ hours +"hours"+ minutes +"minutes and"+ (int)time +"seconds");**

}

}