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: [[-21, -42, -12, -33], [-15, 30, 3, 4], [15, -37, -29, -50], [33, 49, -6, 7], [45, -10, -5, 33]]

[349272, -5400, -804750, -67914, 74250]