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: [[-28, -46], [-23, -44, 7, -18, -23], [3, 36, -31, 6, 45]]

[1288, 2932776, -903960]