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.
[[-46, 33, 47, 15], [-41, -33, -36], [-20, 32, -49, 42], [-44, -29, -1, 11, -21], [6, -40, 1], [-44, -8, 29, 12, 29]]