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: [[28, 21], [44, -42, -25, 49], [34, 43], [44, -9, 37, -1, 6], [2, -37, -21, -23, 10], [12, -43, -19, -15, -47]]

[588, 2263800, 1462, 87912, -357420, 6911820]