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, -26, -5, 1, 7], [-42, 30, 7], [-26, -48, -25, 13, 42]]

[-37310, -8820, -17035200]