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: [[-20, 48, 42, -13], [4, -35], [13, -33, 2, -29], [-49, -17], [-22, -50, 21, -3], [-12, 40, 37]]

[524160, -140, 24882, 833, -69300, -17760]