Fully simplify the following:

12
÷
4

5

4
÷
(
13

11
)
12÷4⋅5⋅4÷(13−11)

First, we simplify the expression within the parentheses:

(13 - 11) = 2

Next, we simplify the division and multiplication operations from left to right:

12 ÷ 4 = 3
3 ⋅ 5 = 15
15 ⋅ 4 = 60
60 ÷ 2 = 30

Therefore, the fully simplified expression is 30.