constants _ golang

package main

import (
    "fmt"
    "math"
)

const s string = "constant"
const a = 3000

func main() {
    const s = 3000
    fmt.Println(s)

    const n = (3e8 / s)
    fmt.Println(n)
    fmt.Println(int64(n))

    fmt.Println(math.Sin(n))
}

3000
100000
100000
0.03574879797201651