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: [[1, -28], [-24, -7, 50, 35], [47, -36, -48], [49, 17, -21], [44, 48, -50]]

[-28, 294000, 81216, -17493, -105600]