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.
[[32, -31], [17, -36, -12], [8, 38, -13, -24, -50], [20, 42, -8, -28, -39], [17, 49], [-14, -9, -12]]