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: [[-20, -43], [-22, -31, 23, -8], [17, 26], [47, -15, -44, 48], [12, 43, -7, -4], [-31, -14, 8]]

[860, -125488, 442, 1488960, 14448, 3472]