Given the task definition and input, reply with output. 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.

[415, 105, 125, 162, 344, 251, 265, 448, 131, 386, 316, 129, 470, 272, 109, 201, 127, 322, 68, 328]
402