Liangliang is 1.45 meters tall. When he stands on a stool with a height of 0.4 meters, he is 0.05 meters taller than his father. How tall is his father?
亮亮身高1.45米，他站在0.4米高的凳子上时，比爸爸高0.05米，爸爸身高多少米？
<result>1.9</result>