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: [[-42, 18], [-40, -4], [37, 34, 37, 45, -5], [-31, -33], [17, -39, -46], [16, -30], [47, -23, -25, -38]]

[-756, 160, -10472850, 1023, 30498, -480, -1026950]