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: [[-22, -37], [-26, 34], [46, 43, 41, -49], [31, 32, -16, -7], [-21, -12]]

[814, -884, -3973802, 111104, 252]