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: [[31, 26], [-43, -19], [-50, -42], [21, -31, -45, 2, 2], [-2, -44], [43, -15], [42, -5, -46, 16, 24], [-2, 4, 4, 46], [-21, 37]]

[806, 817, 2100, 117180, 88, -645, 3709440, -1472, -777]