This year, Xiaohong's age is 20% of her mother's. After 5 years, her mother's age will be three times that of Xiaohong's. How old is her mother this year?
今年小红的年龄是妈妈的20%，5年后，妈妈的年龄是小红的3倍，今年妈妈多少岁？
<result>25</result>