Some doubts about amplification by 2N2222

Hello~all thanks for reading my post.I met some troubles in my school project about using 2N2222 to realize the amplification at least 75 times. This is the 2N2222's datasheet.I am here cause I know that someone here has ability to help me out .My first language is not English and I feel terrible in the English grammar. So please forgive me if there are any wrongs in grammar. Please look at the following picture:

This is my formula mode

My question: How to realize Av=75 amplification in the circuit? Your help will be appreciated!

我看了下这个数据手册，TO-18二极管的问题建议去接口论坛发帖咨询