How do you say

My family are planning to travel to Europe in three months

..in Chinese?

我们全家计划在三个月后去欧洲旅行

wǒ men quán jiā jì huà zài sān gè yuè hòu qù ōu zhōu lǚ xíng

How do you say "I’m going to work out at the gym in three months." in Chinese?