Answer:
0.00001128 lb fat gain.
Explanation:
4 * 12 ounce of beer = 1 day
In 180 days,
48 * 180 ounce of beer in 3 months.
= 8640 ounce
But 1 ounce = 0.00457 gram calorie
8640 ounce = 8640 * 0.00457
= 39.5 gram calorie in 180 days.
But, 3500 kcalorie = 1 lb fat gain
1 calorie = 1/3,500,000 lb fat
39.5 calorie = 1/3,500,000 * 39.5
= 0.00001128 lb fat gain.