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: [[-4, 6], [41, 38, -50, -7], [49, -15, 20, 40], [-49, -8], [35, 21], [49, -31, 3, -10], [14, -39], [39, 28, -31]]

[-24, 545300, -588000, 392, 735, 45570, -546, -33852]