Definition: In this task you will be given a list of lists, of numbers. For every inner list, you should multiply every number in that list and put the results in your answer. The output should be a list of numbers with the same length as the number of the lists in the input list.
Input: [[4, 38], [31, -45, -24, -48], [-16, 24, 20, -26]]

[152, -1607040, 199680]