Can someone help me please ? Should I buy one 18 inch Pizza or two 12 inch Pizza ?. Which has more value as they cost the same price. Please help..

https://www.news18.com/news/buzz/18-inch-pizza-has-more-pizza-than-two-12-inch-pizzas-and-the-internet-is-losing-its-pizza-mind-1995051.html

It pays to know your pi