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: [[26, -9, 19, 46, 25], [-7, 45], [49, -38], [-13, 29, 5]]

[-5112900, -315, -1862, -1885]