Kotlin multiplication, how do I multiply smaller and smaller?

 LL.e(TAG, "timeByNew1: ${System.currentTimeMillis()}")LL.e(TAG, "timeByNew2 : ${timeByNew}")LL.e(TAG, "timeByNew3 : ${timeByNew * 1000}")LL.e(TAG, "timeByNew4 : ${(System.currentTimeMillis() - (timeByNew * 1000))}")

After multiplying, it becomes smaller

Isn't this outrageous

...

Because I used Int to accept timeByNew

instead of Long

Just change it to Long