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.
[[23, -23, -29, -25, 42], [-20, 7, -4, 8, -22], [-47, -4, -33], [32, -10, 21, 1], [18, 21], [-39, -35, -42, -47, -13]]