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: [[25, 29, 44], [-49, 48, 6], [2, -13, 12, 19]]

[31900, -14112, -5928]