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: [[-13, -44], [22, -49, 6, -21, -34], [-37, 38, -4, 42, 39], [-31, 33], [-44, 43], [3, -1]]

[572, -4618152, 9212112, -1023, -1892, -3]