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: [[-42, 50, 32, 38, -48], [35, -28, 43, -29]]

[122572800, 1222060]