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: [[37, 24, 29, 9, 13], [-31, -31, -45, -44, 29], [24, -4, 8, 4, -19], [1, -48, 23]]

[3012984, 55180620, 58368, -1104]