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: [[-10, -31, -6, -19, 46], [27, -37], [-39, 48, -47, -4]]

[1625640, -999, -351936]