It takes 3500 calories to make a pound of fat!

Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/4" fat, prime, raw
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Energy Fat
36.1 size D batteries 0.6 butter sticks

A serving of 453.6g contains 907kcal, representing ± 36.1 batteries*.

A aged requires 2700kcal (107.3 batteries*) a day.

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 57.11g fat, which is comparable to ± 0.6 butter sticks.