It takes 3500 calories to make a pound of fat!

Beef, rib, small end (ribs 10-12), separable lean only, trimmed to 1/8" fat, choice, raw
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Energy Fat
26.6 size D batteries 0.3 butter sticks

A serving of 453.6g contains 671kcal, representing ± 26.6 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 26.81g fat, which is comparable to ± 0.3 butter sticks.