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: [[-45, -25, -32, -48, 4], [-22, 40, -3, 19], [29, -21]]

[6912000, 50160, -609]