Java problem-Whats the reason behind and what will be probable output

Question

1.)

long milli=24*60*60*1000;
long micro=24*60*60*1000*1000;
long result=micro/milli;

The result should be 1000 but it\'s not

Answer 1

You need to put an L in there for long-conversion

long micro=24*60*60*1000*1000L