Taxi will cost you about E,. 75,- depending traffic. Be sure to take a certified cab at the stand in front of the arrival hall, not the ""cowboys"" offering their service inside the terminal..
Please know you need to book AF house in advance online. Tickets get for sale on the 1st Tuesday of each month for the following month. No more standing inline. https://www.annefrank.org/en/museum/tickets/
You are walking distance from Rembrandtsplein, many restaurants and bars there. Also flower market is close by.