This variety of k-cup is $36.98 for 72 k-cups. If you do the math, that's $0.51 per k-cup.
Amazon is a bit wordier with how they named this product. They call it "Dunkin' Donuts K-Cups Original Flavor - 24 Count (Pack of 3), Total of 72 Count - Packaging May Vary".
Some additional details about this product:
Need to know more? You can read more about this product on Amazon.
Oh, and here's a bunch of pictures if you've never seen k-cup pods before: