int型越界问题

Question

如果我想执行Round((660 * 8523698) - 0.49,0)语句，但8523698超出了整数范围，该怎么改呢？

Answer 1

select Round((660*1.0*8523698) - 0.49,0)

Answer 2

select Round(  660.0 * 8523698   - 0.49,0)

Answer 3

select Round(cast(660 as float)*8523698 - 0.49,0)

Answer 4

select Round(1.0*660 *8523698 - 0.49,0)

Answer 5

select cast( 660 * 8523698.0 - 0.49 as decimal(18,0)) as t
/*
t
----------
5625640680
*/