Help with combining doubles and int

Hello to all-
I have a newbie problem. How do you combine a doubles with a int.

First, the variables that I have are: dollars*years*rate/100

Second, the "year" is in the int. format

Third, the "dollars, rate and the divided by 100" are in the double format.

I need to combine those to have just one value or total of all of those variables that I have listed in the second sentence.

I have something like this, but this is not compilng:
double paidInterest = (int)(dollars*years*rate/100);

The paidInterest or total or one values, is the product that I need from the variable calculation.
This paidInterest will display in GUI "show message box"

Note, I have included below, a example of one out of the 3 "input messages" box. And of course the other 2 GUI,s are are in the double format.

[
int year;
String oneRevolution = JOptionPane.showInputDialog(null,"How many years will you take the loan?(whole number)");
year = Integer.parseInt(oneRevolution); ]


Anyhelp or suggestions
ThankYou

Quote:

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Originally Posted by Recency

I have something like this, but this is not compilng:
double paidInterest = (int)(dollars*years*rate/100);

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Maybe because you're casting an int value to a double?

Just guessing...