It takes 3500 calories to make a pound of fat!

Margarine, margarine-like vegetable oil spread, 60% fat, tub/bottle, unsalted
» Fats and Oils

:
Energy Fat
21.2 size D batteries 0.7 butter sticks

A serving of 100g contains 533kcal, representing ± 21.2 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 100g contains 59.81g fat, which is comparable to ± 0.7 butter sticks.