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.
[[25, -4, 32, -35, 6], [29, 22], [37, 46, -41, 22, -32], [-9, -12]]