Converting real to nearest whole no. int

(>,<)...hello again.
Um, how do you convert a real number to nearest whole number in GE like,
1234.567___to____1235.000
Ive got an idea but I think there's an easier way though.
thanx in advance 
Um, how do you convert a real number to nearest whole number in GE like,
1234.567___to____1235.000
Ive got an idea but I think there's an easier way though.

