The winner of the answer to The math questions

Thank you to all participants in answering the questions
I found more than one person wrote the correct answer
So i choose the winner by the way described in the video
The correct answer is 22

1- https://steemit.com/@shivohum2015
2- https://steemit.com/@kirbyjr1977
3- https://steemit.com/@maria86
4- https://steemit.com/@fantasyman
5- https://steemit.com/@xiuhtecuhtli
6- https://steemit.com/@thirdeye7
7- https://steemit.com/@zonguin
Congratulations to the winner
(((https://steemit.com/@zonguin)))