Dim?Count?As?Double,?r?As?Double,?n?As?Integer
Count?=?13
r?=?0.008
Do?While?Count?<?26
n?=?n?+?1
Count?=?Count?*?(1?+?r)
Loop
MsgBox?"我國現有人口?13?億,按照每年?0.8%?的增長率,"?&?vbCrLf?&?n?&?"?年後,我國的人數超過?26?億!"
End?Sub