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: [[-16, 26, -4, 42], [15, -27, -22, -48, 39], [-1, 10]]

[69888, -16679520, -10]