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: [[46, 40, 7], [42, 27], [2, -28], [-10, -43, 41, -11, 20], [9, 7], [-46, 4, -36, 5, 21], [-40, 10, 28], [20, 11, 8], [-29, 48, 10]]

[12880, 1134, -56, -3878600, 63, 695520, -11200, 1760, -13920]