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.
[[37, 47, 25, 32], [-42, -15, -20, 19], [-45, -16, 31, 50, -44], [-2, 47, 47, -32], [-49, 35, -32], [-15, -27, -40], [-11, -42], [-29, -17, -4, -43, -28], [29, 4, 37, -4]]