ROUND(number[,digits])
ROUND function rounds a given number.
number is the number you want rounded and digits is the number of digits to which you want to round that number.
ROUND(5.5) equals 6.
ROUND(-3.3) equals -3.
ROUND(1501.15,1) equals 1501.2.
ROUND(1501.15,-2) equals 1500.0.