Go language program to calculate interest

Following program shows you how to calculate interest.
In this program we get investment, interest rate and time from user and calculate interest using following formula
Interest = investment X interestRate X time / 100

package main

import "fmt"

func main() {

  var investment int
  var interestRate int
  var time int
  var interest int
  fmt.Println("Enter investment:")
  fmt.Scanf("%d", &investment)
  fmt.Println("Enter interest rate:")
  fmt.Scanf("%d", &interestRate)
  fmt.Println("Enter number of years:")
  fmt.Scanf("%d", &time)
  interest = investment * interestRate * time / 100
  fmt.Println("Interest amount is: " , interest)
  }

Output:

Enter investment:
 3000000
Enter interest rate:
 24
Enter number of years:
 2
Interest amount is:  1440000