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, -50, -41, -42], [20, 46], [18, -13], [18, -27], [24, 42, 26, -2]]

[2410800, 920, -234, -486, -52416]