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.
[[3, 32, 22, -20, -29], [14, -47, 1], [11, 40, -3], [44, 21], [-3, 50, 37, 28], [3, 12], [17, 44, -21, -36]]