I did educate myself, and came to a different conclusion.
Here is a link to 70 studies that show mask are effective
https://threader.app/thread/1279144399897866248
Going for some scheduled blood work next week (PSA test). Doctor's orders are no sex or masturbation for 1 week before.
Day 3 and I already have blue balls.
https://www.educationquizzes.com/knowledge-bank/what-are-bodmas-bidmas-and-pemdas/
"Division and Multiplication rank equally so deal with these together from left to right"
Following this, the answer is 1