It takes 3500 calories to make a pound of fat!

Beef, round, eye of round, separable lean and fat, trimmed to 1/8" fat, select, cooked, roasted
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Energy Fat
33.7 size D batteries 0.4 butter sticks

A serving of 417.0g contains 851kcal, representing ± 33.7 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 417.0g contains 38.61g fat, which is comparable to ± 0.4 butter sticks.