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, 42, -10], [23, 31, -36, -20], [-6, 34, -47, 12], [4, -34], [14, 20, -12, -1], [49, -15, 33, -18, 47], [-27, -33, 9, -42, 47], [17, -12, -15], [-21, 14, 24], [-9, 26, 5, -45, -20]]

[317520, 513360, 115056, -136, 3360, 20519730, -15829506, 3060, -7056, -1053000]