Who doesn’t love pizza, and the more pizza the better. But if you think you’re getting more cheesy goodness by ordering two small 12-inch pies, rather than one big 18-inch one, you’re in for a shock. Fermat’s Library has done the math and discovered that one 18-inch pie has 254 square inches of pizza, while two 12-inch pies have only 226 square inches. As you can imagine, the Internet is shocked by the revelation. Check out their reactions here.