You will be given a definition of a task first, then some input of the task.
In this task, you are given a list of integers you need to calculate and return the range of the integers which is the difference between maximum and minimum element in the list.

[144, 234, 282, 68, 231, 327, 358, 303, 386, 317, 357, 320, 452, 464, 27, 302, 22, 412, 400, 110]
Output:
442