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: [[-45, -37, 23, -41], [32, 2, -17, 5], [-2, 14], [49, -8, -23, -20, -2], [10, 31, -17, -37, -46]]

[-1570095, -5440, -28, 360640, -8969540]