It takes 3500 calories to make a pound of fat!

Beef, rib, whole (ribs 6-12), separable lean and fat, trimmed to 1/4" fat, choice, cooked, roasted
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Energy Fat
43.3 size D batteries 1.0 butter sticks

A serving of 290.0g contains 1090kcal, representing ± 43.3 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 290.0g contains 90.57g fat, which is comparable to ± 1.0 butter sticks.