Definition: 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.
Input: [[32, 22, -23, -17, -28], [10, 29, 45], [-29, -28]]

[-7707392, 13050, 812]