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: [[41, -48], [-10, 30], [-19, 13, 21], [-37, -18, -7, 18], [13, 23, -25, -31, -45], [31, 35]]

[-1968, -300, -5187, -83916, -10427625, 1085]